William Optics Gt81

Quora is a place to gain and share knowledge. finally got the scope and camera set up in the obsy, scope is alot smaller than my old Starwave 80 ed. Veja no Terra as últimas notícias e as melhores coberturas ao vivo do Brasil e do Mundo, Esportes, Diversão, Vida e Estilo e assista os melhores vídeos no TerraTV. Thorlabs, Inc. The Newly designed GT81 from William Optics. Lighter CNC Rings, and a CNC Dual Speed Geared focuser which is smoother and more precise than ever before, make. New 2020 William Optics GT81 IV! Please note, description below shows 2019 model. Chobra (William Cho). stellarvue 70mm apo-tri/2. Wiliam Optics William Optics Apochromatic refractor AP 81/478 GT81. Made of high quality nylon fabric with water resistant coating on the inside surface. 9 lens is ideal for astrophotography. ZEISS solutions contribute to world optics development and technological progress. Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, dark red trim finish, retractable dewshield, 360 deg. High Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Im using a Canon T5i shooting through a William Optics GT81 on an HEQ5 Pro. **Thanks Steve** William Optics GT81 II Triplet APO blue (2018 model) with guide scope. 9 Gran Turismo APO屈折鏡筒 Imaging APO屈折鏡筒 FPL53TV·オーディオ·カメラ FPL53:アストロストリートWilliamOptics カメラ·ビデオカメラ·光学機器 GT81 IV F5. Alışveriş deneyiminizi geliştirmek, hizmetlerimizi sunmak, müşterilerin hizmetlerimizi nasıl kullandığını anlayarak iyileştirmeler yapabilmek ve tanıtımları gösterebilmek için çerezler ve benzeri araçları kullanmaktayız. ♦ Working Distance 55mm - perfect for DSLR Cameras with standard-T2 ring ♦ Reducing Factor 0. William Optics. Photography community, including forums, reviews, and galleries from Photo. 7) with fully multicoated optics Includes T-ring thread & 2' nose piece Lens to chip suggested distance - 55-57mm Weight: 165g. Guiding camera: Orion StarShoot Autoguider. The WO GT81 is most likely the same objective as the 80mm f/6 triplets sold by TS and Astrotech/Astronomics. image size 4,656 x 3,520 px EFW. · Top quality anodizing. The William Optics GT-81 APO Triplet refractor features a 3-element f/5. Lense is excellent no scratches: Price: $1,450. William optics star 71. 9 Gran Turismo Imaging APO屈折鏡筒 FPL53 Gran Turismoシリーズ、FPL53を使った81mmトリプレット鏡筒F5. Superbe triplet FPL-53 équipé du nouveau crayford hybride R&P 2. 世界中のあらゆる情報を検索するためのツールを提供しています。さまざまな検索機能を活用して、お探しの情報を見つけてください。. From the William Optics Megrez to the ZenithStar series, you'll find perfect quality - right down to the awesome fit and finish. Add to Cart. Outside the observatory I use an iOptron ZEQ25GT mount, with an ADM dual mounting system. Find the perfect royalty-free image for your next project from the world's best photo library of creative stock photos, vector art illustrations, and stock photography. William Optics GT71 on the Avalon m zero mount. Flattener 6A William Optics 0,8x do refraktorów dodatki opinie Sklep WARSZAWA: Grochowska 8-B (dojazd) Sklep KRAKÓW: Dietla 69 (dojazd) Sklep CHORZÓW : Katowicka 56 (trasa Katowice-Bytom) [email protected] Sitting at a respectable ratio of f/5. Optically Unbeatable. 8x reducer, ZWO ASI1600MM-Cool, Atik EFW2, Astronomik L, R, G, […]. The new 2019 GT81 MKIV (Fourth Generation) three-element super APO Anniversary offer superb quality for imaging and visual use at an affordable price!F From the pristine white finish on the CNC to the elegant gold trim which has more than just good looks. william optics sct-zs66, sct zs66 Is Similar To: Bg1-p004 William Optics Soft Carry Case For Telescopes (43. The William Optics Adjustable Field Flattener improves the flat-field imaging performance of William Optics GT71, GT81, Z81, and Z103 refractors. Focal ratio is f/5. First proper night with the GT81. OTA: William Optics GT81 w/0. Contact Information. Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, gold finish. Mapping of index of refraction profile for polymer gradient index optics using confocal Raman spectroscopy. Finisare cu anodizare William Optics. A guide to photographing the Pleiades star cluster using a DSLR connected to a William Optics GT81 telescope. Surveillance. We process your personal data as stated in our Privacy Policy. 541 views4 year ago. 8 reducer APO adjustable field flattener for GT71 /GT81 /Z103. Features of the William Optics Adjustable Field Flattener. Wiliam Optics Camera Angle Rotator Zoom: Z73, Z103, Z126, GT71, new 2018 GT81 and all other brand Focuser with M63 threads. ly for any website In case your platform is not in the list yet, we provide Sur. Price inc RMSD. Characterization of double-deformable-mirror adaptive optics for IR beam shaping in hyperspectral imaging. William Optics Montageplatte für iOptron SkyGuider Pro 41,90 $ expédié sous 3-5 semaines. Advances In Laser And Optics Research, Hardcover By Arkin, William T. It has improved optics in the form of an FPL53 ED doublet objective lens providing superior colour correction, and a lighter more compact CNC machined tube with compact retractable dewshield. imaging telescope: William Optics GT81 imaging camera: ZWO ASI294MC Pro (color) mount: Skywatcher EQ6-R Pro guiding telescope: William Optics UniGuide 50mm guiding camera: ASI290MM Mini (mono) focal reducer/flattener: William Optics Flat 6Alll filters: none. Shop online at Best Buy in your country and language of choice. Sparks, Ray A. · Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, gold trim finish, retractable dewshield, dewshield cap. 5” rack and pinion focuser with tension screws to securely hold a bigger camera and accessories. I'm pretty happy with how the build came out. William Optics polished anodized finish. GT Sports Club. Astrophotography in the cold - posted in Beginning Deep Sky Imaging: I was going to go out imaging tonight, but then I started reading up on what subzero temperatures might do to my laptop. A review of the William Optics GT81 Apo refractor telescope. Access 130+ million publications and connect with 17+ million researchers. Stephen Williams (Gbr) Bahrain McLaren. VentureBeat is the leader in covering transformative tech. Digital offset (81) Sheetfed offset (2217). This is a Fan Page for William Optics Scopes. El telescopio refractor apocromático William Optics GT81, es mi instrumento principal de astrofotografía. OptimAE is world's only fiber optic acoustic emission sensing system. 9 Gran Turismo Imaging APO屈折鏡筒 FPL53。WilliamOptics GT81 IV F5. Esto convierte al GT81 en un refractor polivalente para todo tipo de finalidades. 9 Gran Turismo Imaging APO屈折鏡筒 FPL53,品質は非常に良いのWilliamOptics GT81 IV IV F5. The Life and Times of William Shakespeare. A20-731--Adapter 2. 8x Barlow Fujifilm X-E2 + XF35mm f/1. Afortunadamente, me he sentido bastante satisfecho con su desempeño y su construcción de calidad. 9 Imaging APO Refractor FPL-53 ED APO GT81. 014 and b=14. 0" DIAMETER DUAL SPEED 1. A review of the William Optics GT81 Apo refractor telescope. The new GT71 features a 3-element objective using high-quality FPL-53 extra-low dispersion glass that reduces any secondary spectrum to an unbelievable degree. Specificaties:Telescoop systeem: Losse telescoopbuis (OTA)Telescoop type: Lenzentelescoop (Refractor), Apochromatische. Dlaczego? Ofertę William Optics dopełniają mocowania do montaży astronomicznych oraz dovetaile, a także solidne, wojskowe lornetki. Easy to Use: Will accept any standard 48mm T-ring for your camera. WilliamOptics GT81 IV F5. Adattatore Starlight Instruments A20-271 per Ritchey-Chrétien GSO (o rimarchiati) da 6" e 8" e William Optics GT81. Buy It Now +$15. The largest Android forums in the world, XDA makes mobile phones better. This package includes a 0. All you have to do is rotate clockwise to tighten and center a 2" accessory and rotate counter-clockwise to release. The WO GT81 is most likely the same objective as the 80mm f/6 triplets sold by TS and Astrotech/Astronomics. All internal surfaces threaded and blackened to prevent reflections. Zenithstar 66: M73x1: FTF2025BCR: A20-731 : GT81, Megrez 80 & 90MM, Zenithstar 80: M90x1: FTF2025BCR: A20-271. Domenenavn Fra 15,-/år. Product description: The stunning new William Optics Gran Turismo 81 Apo is the new jewel of the apochromatic refractor world. From the pristine white finish on the CNC to the elegant gold trim, this beauty has more than just good looks. Im using a Canon T5i shooting through a William Optics GT81 on an HEQ5 Pro. Kickee Pants Kids (81). 5" HEX, or hexagonal, rack and pinion focuser. Explore Scientific: The Explore Scientific 80 mm f/6 ED Air-Spaced Triplet Refractor Telescope has Hoya FCD100 optics for beautifully sharp, high contrast images. William Optics GT81, AVX, ASI1600MM-C Original Poster 3 points · 1 year ago · edited 1 year ago Shot in Byron Bay, NSW, Australia. William Optics. 9 Gran Turismo Imaging APO屈折鏡筒 FPL53。WilliamOptics GT81 IV F5. IC 5146 also known as the Cocoon nebula or Caldwell 19, Sh 2-125. William Optics s'est imposée comme l'un des leaders mondiaux dans les réfracteurs à tubes courts hautement portables et a obtenu une reconnaissance de qualité pour de nombreux accessoires tels que ses célèbres oculaires WO Diagonals. Gso Telescope - avyf. Ce constructeur est adapte de changement très rapides dans sa gamme, n'hésitez donc pas à nous contacter si vous ne trouver pas le modèle qui vous intéresse. Adjust Distance. William Optics Soft Carry Case for Z81 / GT81 / GTF81 Telescopes. 0" for Astro-Tech 6", 8" and GSO 6", 8" Ritchie-Chretien, WO Newer Megrez 80/90 & WO GT81 Telescopes £129. You can adjust your Cookie Preferences at the bottom of this page. It's a platform to ask questions and connect with people who contribute unique insights and quality answers. Ultra-narrow beams. 8x Flat6A-81 reducer cum flattener specially designed for GT81 to transform it into a f/4. Aperture is 81mm and focal length is 478mm. 00 + EUR 66. William Optics 2019. William Optics GT153 (Innovative Bahtinov Mask Cover (Patented) included !!) $5,998. Le masque est livré avec un cache métallique vissant permettant de le laisser en place lorsque vous transportez ou stockez votre instrument. ly for Joomla Sur. 00 William Optics GT81 20th Anniversary Limited Edition HK$8,990. We here at the Daily Stormer are opposed to violence. The WO GT81 is most likely the same objective as the 80mm f/6 triplets sold by TS and Astrotech/Astronomics. info/william-optics-gt-81-triplet-refractor/). 5 flattener and 3" reducer are good for FF. *William Optics GT71 GT81 Z103 Z126 x0. The new 2019 GT81 MKIV (Fourth Generation) three-element super APO Anniversary offer superb quality for imaging and visual use at an affordable price!F From the pristine white finish on the CNC to the elegant gold trim which has more than just good looks. This empowers people to learn from each other and to better understand the world. William Optics Bahtinov Mask Cover for GT81 HK$850. William optics GT81 Ⅳ 試し撮り 望遠鏡機器関連 昨日は部分日食でしたが、札幌では夕方に曇ってしまい観測することはできませんでした。. William Optics GT-81 on a Celestron CGX mount. Some non Iridium satellites can also cause a flare. Observatoria. 1mm and see how this works, hopefully pretty close. I purchased a used Celestron AVX mount to use with my widefield rig, this was supposed to be paired with my William Optics GT81 scope, however once I got it home I realized that it needed a lot of work. Made of high quality nylon fabric with water resistant coating on the inside surface. Through afocal imaging, also known as eyepiece projection imaging, it's easy to obtain high resolution images with quality refractor and digital camera. The telescope is controlled by the hand controller. 0" for TELE VUE Renaissance A20-C8071 $265. Mapping of index of refraction profile for polymer gradient index optics using confocal Raman spectroscopy. 4mm spacing, and the 711mm Z103, with a 4. 00 William Optics Gran Turismo GT81 IV (NEW Model) HK$10,980. I brought my trusted 3” refractor, the William Optics GT81, transported snugly in its own rigid backpack. From the pristine white finish on the CNC tube to the elegant gold trim, this telescope has more than just good looks. Outside the observatory I use an iOptron ZEQ25GT mount, with an ADM dual mounting system. Alternativ kann man auch in Stellarium Teleskop- und Sensordimensionen angeben und etwas flexibler als bei 12dstring mit dem Bildausschnitt experimentieren. com William Optics FLAT6III Adjustable Field Flattener. William Optics Gran Turismo GT81 Limited, No. William Optics - Flat4 Draw Tube Adapter in Gold for FLT Telescope. 00 William Optics GT81 20th Anniversary Limited Edition HK$8,990. William Optics Gran Turismo 81 Unboxing. I own the William Optics gt 102mm and is a beauty. Frontiers in Optics (FiO) is the Optical Society's (OSA) Annual Meeting and is being held together with Laser Science (LS) , the annual meeting of the American Physical Society (APS) Division of Laser Science (DLS). 9 Gran Turismo Imaging APO屈折鏡筒 FPL53,WilliamOptics GT81 IV F5. In this span of time the functionality, durability and clarity of our optics has evolved through research and development efforts, invaluable end user feedback, design innovation and proven engineering principles. Astro-Tech 6″, 8″, GSO 6″, 8″ RC Telescopes, WO Newer Megrez 80/90mm, and GT81; Use with. 0" for TELE VUE Renaissance A20-C8071 $265. 7) 74mm aperture stop-down ring (brings scope to f/5. A review of the William Optics Field Reducer/ Flattener 6A. This optical tube assembly was chosen because of it’s ease of use and as a good introduction into astrophotography. 1mm with the flattener adjustable distance set to 7. 5" Draw tube travel, and Brake*. 62 grados a una resolución 2. delivery time: 4-6 weeks. Im using a Canon T5i shooting through a William Optics GT81 on an HEQ5 Pro. We process your personal data as stated in our Privacy Policy. 9 Gran Turismo Imaging APO屈折鏡筒 FPL53 レッド ゴールド グレー Gran Turismoシリーズ、FPL53を使った81mmトリプレット鏡筒F5. 0 o Resolution 2. 5 refractors. Adjust Distance. finally got the scope and camera set up in the obsy, scope is alot smaller than my old Starwave 80 ed. I'd assume that the WO page is more up to date and therefore suggest you try 62. Quantum Optics - D. 68 to EUR 1,528. 9 Gran Turismo Imaging APO屈折鏡筒 FPL53. Preliminary, indoor tests showed the mount booting properly, then moving to approximately the right areas of the sky for alignment stars. 9 objective with an Ohara FPL-53 extra-low-dispersion glass element for optimum colour correction and a new upgraded dual-speed 2-inch Rack and Pinion focuser with 1:10 Dual Speed. Im using a Canon T5i shooting through a William Optics GT81 on an HEQ5 Pro. All internal surfaces threaded and blackened to prevent reflections. 81,000 Fans Like. The scope is well built - really looks and feels like a quality made instrument. 8 ReducerSkywatcher AZ EQ6 GTLacerta MGEN-IICanon EOS 600Da (Baader BCF1 Filter) Belichtungszeit: 2h 45min55x180sec ISO400 “gestackt” mit Astro Pixel Processor und bearbeitet mit PixInsight und Affinity Photo. Comes with built in Bahtinov mask, tube rings and dovetail. A20-731--Adapter 2. So, I need to figure this out in a hurry before I miss any more clear nights. William optics GT81-Ⅳ 直焦点 480mm 赤道儀 EQ6R Canon X7i(HKIR) ISO 100 SS 1/160 JPEG撮って出し 自宅ベランダ 【月 トリミング】 月の周辺を見ると色の滲みも無さそうです。色収差はきちんと修正されていそうです。. GT4 European Series. 0 out of 5 stars 1 rating. 0″ Adapter for Astro Tech 72mm and William Optics 72mm Telescopes GSO 6″/8″ Ritchey-Chretien Telescope and WO Newer Megrez 80/90mm and WO GT81 Telescope. The William Optics 0. Da usare con focheggiatore FTF2025BCR o FTF2020BCR per William Optics GT81 e William Optics Megrez 80 e 90 mm, compatibile invece solo con FTF2015BCR per. Mercedes GT63s 2019 AMG. Weapon Systems Vertx Viridian Lasers Volquartsen Vortex Optics Walkers Game Ear Walther Warne Weatherby Weaver Wiley X Williams Gun Sight Wilson Combat Winchester Windham Weaponry Wolf Ammunition X Products XS Sight Systems YHM. The telescope is controlled by the hand controller. Lunette triplet APO Observatoire des Oliviers. 9 HyperSharp DE27 Afocal Adapter HS 25mm + HS 1. 00 Be the first to receive our members only promotions and new product releases. 9 Gran Gran 天体望遠鏡 Turismo Imaging APO屈折鏡筒 APO屈折鏡筒 FPL53人気の激安通販!. 1 phone camera, 3. It has improved optics in the form of an FPL53 ED doublet objective lens providing superior colour correction, and a lighter more compact CNC machined tube with compact retractable dewshield. William Optics GT81 Triplet Apo; Canon 1000D DSLR, minus the standard IR filter but with an Astronomik CLS filter instead; Kendrick DigiFire 10 Dew Heater. William Optics GT81 Mk III Gran Turismo 81mm f/5. Buy It Now +$15. The stunning new William Optics Gran Turismo 81 Apo is the new jewel of the apochromatic refractor world. Find The Working William Optics Coupons, Promo and Discount Codes for August 2020. I was following it through a William Optics GT81 connected to a Canon 1100D. Beste mensen, Na een aantal maanden afwezigheid op het forum ben ik er gelukkig weer Door vervelende persoonlijke omstandigheden ben ik onlangs verhuisd naar Amsterdam, wat op een heleboel gebieden prima bevalt, maar helaas voor de sterrenkunde hobby natuurlijk bepaald niet ideaal is qua. 8 reducer APO adjustable field flattener for GT71 /GT81 /Z103. 25', ses colliers, queue d'aronde, support de guidescope, masque de Bahtinov, valise de transport. Zenithstar 66: M73x1: FTF2025BCR: A20-731 : GT81, Megrez 80 & 90MM, Zenithstar 80: M90x1: FTF2025BCR: A20-271. 00 : A20-MN190--Adapter 2. 特許申請済み新型バーティノフマスクカバーが無料で付属いたします!! [有効径] 81mm [焦点距離],WilliamOptics Gran GT81 F5. Here are the details: William Optics GT81 APO, Atik 414ex monochrome CCD camera, EFW2 filterwheel with Baader LRGB + Ha filters. Equipment: OTA: William Optics GT81 20th Anniversary edition. Regular price $198 6 in stock View. imaging telescope: William Optics GT81 imaging camera: ZWO ASI294MC Pro (color) mount: Skywatcher EQ6-R Pro guiding telescope: William Optics UniGuide 50mm guiding camera: ASI290MM Mini (mono) focal reducer/flattener: William Optics Flat 6Alll filters: none. Focused manually (not easy!), mounted on a Paramount MX, guided using sn SBIG ST-i colour and an off-axis guider. Please note that the case is not padded and foam is not included. 0″ Adapter for Astro Tech 72mm and William Optics 72mm Telescopes GSO 6″/8″ Ritchey-Chretien Telescope and WO Newer Megrez 80/90mm and WO GT81 Telescope. Smith Optics. tonymacc Black Dwarf Posts: 1671 Joined: Sat Dec 17, 2011 3:59 pm. william optics gt81 triplet apo refractor - no ddg or flattener. William Optics Gran Turismo GT81 Limited, No. Duccio Macchetto, and John A. 1mm which is consistent with the backfocus quoted there of 62. This elegantly designed 2" reducer / flattener has been designed to optimise the flat-field imaging performance of William Optics f/6 to f/7. Zonnewaarneming. Legacy Ethernet Products. Scope: William Optics GT81 w/ 0. This bag requires. 0" for MK190 Maksutov-Newtonian, Intes Alter MN84 Mak Newton, & ES8" Astrograph w/CF OTA A20-MN190 $115. A15-1503-3--Adapter 1. En eBay encuentras fabulosas ofertas en Telescopio William Optics piezas y accesorios. 8x reducer, ZWO ASI1600MM-Cool, Atik EFW2, Astronomik Ha, OIII, SII 1. The telescope is controlled by the hand controller. William Optics GT81, AVX, ASI1600MM-C Original Poster 3 points · 2 months ago That's NGC 6164, From the APOD page: "Beautiful emission nebula NGC 6164 was created by a rare, hot, luminous O-type star, some 40 times as massive as the Sun. Your next optic. Features of the William Optics Adjustable Field Flattener. GT Titan Series GS Stealth Series GE Raider Series GP Leopard Series GL Leopard Series GF Thin Series Alpha Series Bravo Series. __ Optics and night vision. The Penumbral Lunar Eclipse and the New Born Rime. Join the experts. "You know you're in love when you can't fall asleep because reality is finally better than your dreams. Vixen AP-SM mount on a APP-TL130 tripod, carrying a WO GT81 refractor. QHYCCD PoleMaster. 特許申請済み新型バーティノフマスクカバーが無料で付属いたします!! [有効径] 81mm [焦点距離],WilliamOptics Gran GT81 F5. Amazing quality FPL-53 doublet refractor with one of the best focusers as standard. Showing 1 to 36 of 105 total. My particular scope came outfitted with a 3” Feather Touch Focuser. 0" for Astro-Tech 6", 8" and GSO 6", 8" Ritchie-Chretien, WO Newer Megrez 80/90 & WO GT81 Telescopes £129. Finisare cu anodizare William Optics. 25" Filters. Onaylı üçüncü taraflar da bu araçları, tanıtım. Gran Turismo 81(Innovative Bahtinov Mask Cover (Patented) included!!) 2019 All New Gran Turismo 81Innovative Bahtinov Mask Cover (Patented) & New Dovetail Plate included!The new 2019 GT81 three-element super APO Anniversary offer supe. Huawei Watch GT 2 Özellikleri. It lets you organize, explore and share everything you like. 7 imaging APO covering full frame sensor. Quantum Optics - D. William Optics Canon EOS camera adapter[즉시공급]. Used, Clearance & Exclusive Offers! Clearance; Used & Demo Equipment; Sales & Offers! Celestron CPC HD Sale - Ends July 31st! Explore Scientific Sky Rocket Savings - Ends July 31st!. Considering purchasing William Optics ZenithStar 61? Let me show you some of the details I couldn't find before purchasing this awesome telescope. William Optics Gran Turismo 81 Unboxing. Levert voornamelijk short tube telescopen met een hele hoge kwaliteit optiek. articol: 62026 Marca: William Optics $ 78,00 incl. 00 Gold / None included - $2,095. 00 : A20-C8071---Adapter 2. 8x Flat6A-81 reducer cum flattener specially designed for GT81 to transform it into a f/4. 9 Focal Ratio, 478mm Focal Length, 90mm (3. William Optics GT81 - opinions? - posted in Refractors : Hello, I would like to buy my first refractor. 1mm which is consistent with the backfocus quoted there of 62. Free US Shipping. OPT even carries the new line of William Optics FLT Refractor Telescopes designed to make the most of. Features the William Optics company name and swan logo on the outside, carrying handles, and shoulder strap. Onet: codzienne źródło informacji milionów Polaków - wiadomości z kraju i ze świata 24/7, pogoda, sport, biznes, moto, rozrywka. Mitakon Speedmaster 35mm f/0. With our passion for excellence, we create value for our customers and inspire the world to see in new ways. 天体望遠鏡-WilliamOptics GT81 IV F5. william optics gt81 triplet apo refractor - no ddg or flattener. Mount control and image capture were via the ASIair and Sky Safari Pro. 00 William Optics GT81 20th Anniversary Limited Edition HK$8,990. Now to wait for usable skies! The day after the replacement hand controller arrived, the skies were clear. QSI583WSG on William Optics GT81 Hotech field flattener Lodestar Guide Cam heq5pro Sgpro and phd. Searchlights. The stunning new William Optics Gran Turismo 71 Apo is the new jewel of the apochromatic refractor world. Vixen AP-SM mount on a APP-TL130 tripod, carrying a WO GT81 refractor. William Optics Transporttasche ZS81/GT81/GTF81 $ 77,-versandfertig in 24 h. I always get this back: SkyGuider Pro, DSRL & Lens, ASI224MC as guide. Deze triplet telescoop met FPL-53 glas laat je visueel al verbazen en ook fotografische is deze telescoop een uitblinker. Zeal Optics (26). 33 segundos de arco por pixel y una relación focal de f5. OTA: William Optics GT81 Camera: ASI 2600MC Pro Guide Scope: WO 50mm Uniguide Guide Cam: ASI 120mm Mini Filter: Optolong L-eNhance Mount: HEQ-5 Pro Captured with ASIAir Pro Stacked in APP Processed in PixInsight Bortle 4 skies See More. Watchers: 3863 Men Military Army Green Analog Digital Quartz Nylon Canvas Wrist Watch Sport US. From the William Optics Megrez to the ZenithStar series, you'll find perfect quality - right down to the awesome fit and finish. William Optics polished anodized finish. Optics Sirius Observatories Skywatcher Solarscope / UK Spheretec Starlight Instruments Starwave Steiner Swarovski Takahashi TecnoSky Tele Vue Tele-Optic Telegizmos The Imaging Source ToupTec Track The Stars (TTS) TS Optics Universal Vixen WatchDesign William Optics Zambuto Carl ZWO. Astrophotography in the cold - posted in Beginning Deep Sky Imaging: I was going to go out imaging tonight, but then I started reading up on what subzero temperatures might do to my laptop. Im using a Canon T5i shooting through a William Optics GT81 on an HEQ5 Pro. info/william-optics-gt-81-triplet-refractor/). The telescope is controlled by the hand controller. Er bestaan. I purchased a used Celestron AVX mount to use with my widefield rig, this was supposed to be paired with my William Optics GT81 scope, however once I got it home I realized that it needed a lot of work. The GT81 also features a heavy duty 10:1 dual-speed 2. But I do have some questions/concerns. Kijk dan even hier! Wij hebben een selectie gemaakt van telescopen of sterrenkijkers die bij uitstek geschikt zijn voor de uitvoering van astrofotografie. 25_durabr_dial_diag. William Optics Refrator apocromático AP 102/703 Gran Turismo GT 102 OTA Set $ 3. All returned items must be in brand new, resalable condition with original manufacturer rescues packaging. Type of optic. thebigpixel. Software: SGP PHD2 CdC. Levert voornamelijk short tube telescopen met een hele hoge kwaliteit optiek. Please check the box below to agree to receiving email from us. From the pristine white finish on the CNC tube to the elegant gold trim, this telescope has more than just good looks. Known to Fit: William Optics GTF81 and GT81 Telescopes; $58. Easy to Use • Will accept any standard 48mm T-ring for your camera. SO over the past year and a half or so I've taken the whole thing apart and tried fixing it up. ZEISS solutions contribute to world optics development and technological progress. A superb imaging OTA. menu WilliamOptics GT81 IV F5. The Starwave 80ED-R V2 is a more compact and refined version of the original Starwave 80ED. Solutions forMedical. The stunning new William Optics Gran Turismo 81 Apo is the new jewel of the apochromatic refractor world. I also set up my cheap SynScan Alt-Az GoTo mount and tripod, too lightweight to carry heavy scopes but sufficient to take the Lunt or GT81 if I wished to track any target. 1mm; Z81: 3. "You know you're in love when you can't fall asleep because reality is finally better than your dreams. William Optics GT81 APO is a f/5. This package includes a 0. 1mm with the flattener adjustable distance set to 7. William Optics propose désormais ses masques de bahtinov montés dans un carter en aluminium adapté au diamètre de ses différents modèles et également de la FSQ106. Im using a Canon T5i shooting through a William Optics GT81 on an HEQ5 Pro. 74 shipping. A great selection of online electronics, baby, video games & much more. The William Optics GT-71 APO Triplet refractor features a 3-element f/5. The stunning new William Optics Gran Turismo 81 Apo is the new jewel of the apochromatic refractor world. Please check the box below to agree to receiving email from us. Le masque est livré avec un cache métallique vissant permettant de le laisser en place lorsque vous transportez ou stockez votre instrument. Equipment: OTA: William Optics GT81 20th Anniversary edition. You can also watch top players and compete for prizes. Author: Moe Yassine Imaging telescopes:William Optics GT81 APO Object: Western Veil Nebula (NGC 6960, NGC 6979, The star 52Cyg, Veil Nebula) Imaging cameras:ZWO ASI1600mm-Pro Mounts:Celestron CGEM. 1mm which is consistent with the backfocus quoted there of 62. I purchased a used Celestron AVX mount to use with my widefield rig, this was supposed to be paired with my William Optics GT81 scope, however once I got it home I realized that it needed a lot of work. Weapon Systems Vertx Viridian Lasers Volquartsen Vortex Optics Walkers Game Ear Walther Warne Weatherby Weaver Wiley X Williams Gun Sight Wilson Combat Winchester Windham Weaponry Wolf Ammunition X Products XS Sight Systems YHM. Planetary & luna images. セールス : +81 03 5365 7100 サービス : +81 0120 997 356. 9 APO屈折鏡筒 Gran Imaging FPL53TV·オーディオ·カメラ APO屈折鏡筒 WilliamOptics FPL53. Since 1875, Shimadzu is pursuing leading-edge science and technologies in analytical and measuring instruments including chromatographs and mass spectrometers, medical devices, aeronautics, and industrial equipment. This Reducer corrector also works well with each 80mm Apo with focal ratio F6 to F6. No reducer/flattener. 2 watching. William Optics 2019. Thermodynamics. William Optics GT81. 8x Field Flattener/Reducer f/4. First proper night with the GT81. 7, ZWO ASI071MC cooled CMOS camera, iOptron CEM25P EQ mount, 30mm mini guide scope with ZWO ASI120MM-S guide cam, INDI/KStars/Ekos observatory control. Some images (view more) the flying dragon nebula sh2-114 WIP. 5" Draw tube travel, and Brake*. 天体望遠鏡-WilliamOptics GT81 IV F5. I show clo. Consequentially I am growing very tired of things like mirror cooling and the collimation procedure and I would like a. Iris and Ghost Nebulae (NGC7023 and VdB 141). Astrophotography in the cold - posted in Beginning Deep Sky Imaging: I was going to go out imaging tonight, but then I started reading up on what subzero temperatures might do to my laptop. Lunette triplet APO Observatoire des Oliviers. 9 Turismo Imaging APO屈折鏡筒 GT81 FPL53 :02010104025:アストロストリート. Alışveriş deneyiminizi geliştirmek, hizmetlerimizi sunmak, müşterilerin hizmetlerimizi nasıl kullandığını anlayarak iyileştirmeler yapabilmek ve tanıtımları gösterebilmek için çerezler ve benzeri araçları kullanmaktayız. 0" for WILLIAM OPTICS & ASTRO TECH/SkyWatcher Equinox 66MM telescopes A20-731 $150. Soft carry case for William Optics Z81, GT81 and GTF81 telescopes. William Optics Bahtinov Mask Cover for GT81 HK$850. Find daily local breaking news, opinion columns, videos and community events. 9 Gran Turismo Imaging APO屈折鏡筒 FPL53,WilliamOptics GT81 IV IV F5. William Optics GT81 Refractor. IC 5146 also known as the Cocoon nebula or Caldwell 19, Sh 2-125. 80 x Focal Reducer FL 382mm f4. 10:33 jy 188; gt 81; it-1 929; w88 15/11 9. The new 2019 GT81 MKIV (Fourth Generation) three-element super APO Anniversary offer superb quality for imaging and visual use at an affordable price!. I always get this back: SkyGuider Pro, DSRL & Lens, ASI224MC as guide. Specificaties:Telescoop systeem: Losse telescoopbuis (OTA)Telescoop type: Lenzentelescoop (Refractor), Apochromatische. William Optics. Attaching a DSLR - no problem: Great shots instantly. Astrophotography in the cold - posted in Beginning Deep Sky Imaging: I was going to go out imaging tonight, but then I started reading up on what subzero temperatures might do to my laptop. Price inc RMSD. Geoptik Telescope N 200/1200 Formula OTA. William Optics propose désormais ses masques de bahtinov montés dans un carter en aluminium adapté au diamètre de ses différents modèles et également de la FSQ106. - Optics, laser diodes and drivers, LD database. william optics gt81 triplet apo refractor - no ddg or flattener. Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, dark red trim finish, retractable dewshield, 360 deg. Wiliam Optics William Optics Apochromatic refractor AP 81/478 GT81. 60 x 30s at ISO 800. The WO GT81 is most likely the same objective as the 80mm f/6 triplets sold by TS and Astrotech/Astronomics. A review of the William Optics GT81 Apo refractor telescope. William Optics Gran Turismo 81 Unboxing. 2020 Encomendar agora!. The GT81 also features a heavy duty 10:1 dual-speed 2. William Optics Corp. From the pristine white finish on the CNC tube to the elegant gold trim, this telescope has more than just good looks. Telescope Model: OTA Thread : Focuser: Adapter. buy DETAILS. WilliamOptics GT81 F5. The William Optics GT81 features a patented objective lens cover that doubles as clear Bahtinov focusing mask. And do guiding using an old USB2 version ASI120MM on a 60mm F4 TSL60D. de: Günstige Preise für Elektronik & Foto, Filme, Musik, Bücher, Games, Spielzeug, Sportartikel, Drogerie & mehr bei Amazon. The stunning new GT 102 APO is the new jewel of the apochromatic refractor world. com William Optics FLAT6III Adjustable Field Flattener. I'm pretty happy with how the build came out. - The model supports all the basic functions of the game; - The correct disk with a broken tire; - The correct operation of optics; - Auto the right size; - Realistic management; - Passengers sit in their seats. Optically Unbeatable. William Optics Bahtinov Focusing Mask Telescope Tube/Dewshield Dia 75-110mm. This William Optics 81 mm Gran Turismo (GT) Golden Triplet APO Refractor is identical to the A-F81GT-VP20A model, but with the addition of an APO Flattener to the package. Compre com confiança no eBay!. Anyone suggesting or promoting violence in the comments section will be immediately. Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces. 25" Dielectric Diagonal W/ Carbon Fiber Plates - D-125D-C-DB. (NEW) Mitakon Speedmaster 17mm f/0. Learn more. 9 Apo Refractor w/Field Flattener – 20th Anniversary Limited Edition Offering superb quality for imaging and visual use, this is a compact scope that is well suited for travel and you’ll enjoy showing it off as much as using it as the powder-painted white CNC machined aluminum tube with its gold trim finish is visually stunning. Here are the details: William Optics GT81 APO, Atik 414ex monochrome CCD camera, EFW2 filterwheel with Baader LRGB + Ha filters. Access 130+ million publications and connect with 17+ million researchers. Filters en filterwielen. Buy It Now +$15. 5'' de dernière génération doté d'un microfocuser. The GT81 also features a heavy duty 10:1 dual-speed 2. Considering purchasing William Optics ZenithStar 61? Let me show you some of the details I couldn't find before purchasing this awesome telescope. 6 air-spaced triplet FPL-53 apochromatic with built in doublet ED flattener, a total of 5 elements in two groups design. Its summer time - which means family holidays time! :) We will be out of the office between 10th and 31st of July. So, I need to figure this out in a hurry before I miss any more clear nights. Video: GT Factory Racing Takes on the Maribor DH World Cups. 00 : A20-C8071---Adapter 2. Online Shopping in Canada at Walmart. WilliamOptics GT81 IV F5. Sort By : Show : View. 0 o Resolution 2. ly for Joomla Sur. in the meantime, I assembled everything, adding my William Optics GT81 to the saddle. 9, this FPL53 triplet is well-balanced in light-gathering power. All internal surfaces threaded and blackened to prevent reflections. I used a JMI motorised focuser specifically designed for the William Optics DDG2 focuser. The Newly designed GT81 from William Optics. 5” rack and pinion focuser with tension screws to securely hold a bigger camera and accessories. ADDRESS * Not a Retail Store *. Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 477 billion archived web pages. We help business leaders make smarter decisions with our industry-leading AI and gaming coverage. GT Bicycles Oct 26, 2020. william optics gt81 81mm f 5. Frontiers in Optics (FiO) is the Optical Society's (OSA) Annual Meeting and is being held together with Laser Science (LS) , the annual meeting of the American Physical Society (APS) Division of Laser Science (DLS). Solar Dynamics Observatory. Shot in narrowband with the @zwoasi ASI1600MM-Pro on my trusty William Optics GT-81. Product Details The stunning new William Optics Gran Turismo 81 Apo is the new jewel of the apochromatic refractor world. Our Price: $65. 0" for Astro-Tech 6", 8" and GSO 6", 8" Ritchie-Chretien, WO Newer Megrez 80/90 & WO GT81 Telescopes £129. William Optics. 5 inch rack and pinion focusseer inrichting met 1:10 vertraging voor de optimale scherpstelling, voelt zeer soepel aan en reageert direct op elke draai aan het wieltje. The site owner hides the web page description. Our Price: $928. Redeye (Paul Chaloner). Find the perfect royalty-free image for your next project from the world's best photo library of creative stock photos, vector art illustrations, and stock photography. 25" RotoLock. 9 objective with an Ohara FPL-53 extra-low-dispersion glass element for optimum colour correction and a new upgraded dual-speed 2. 17 20:36 Willian optics GT81 x0. Since 1875, Shimadzu is pursuing leading-edge science and technologies in analytical and measuring instruments including chromatographs and mass spectrometers, medical devices, aeronautics, and industrial equipment. Encontrarás artículos nuevos o usados en Telescopio William Optics piezas y accesorios en eBay. Imaging notes: William Optics GT81 Apochromatic refractor--an amazing piece of hardware, Astronomik 6-nanometer hydrogen-alpha filter, ZWO ASI1600MM-Pro monochrome camera, QHY 5iii178 guide camera, Sky-Watcher EQ6-R Pro Mount. M5 and M57 were perfectly positioned at around 8PM and the William Optics GT71 telescope & ASI183 mono camera were put to work. Our #: ZZT-ZZWO-GT81-Mfg #: A-F81GT. Suitable for GT71, GT81, Z103, Z126. Chobra (William Cho). 5" HEX, or hexagonal, rack and pinion focuser. Just to recap, the GT-81 is a triplet air spaced APO with Ohara FPL-53 low dispersion glass costing £725 from FLO. 9 非常に高級感があるCNC加工ホワイトパウダー仕上げ、内部艶消し及びバッフルに至る迷光処理まで全く手抜きがありません. "You've gotta dance like there's nobody watching, Love like you'll never be hurt, Sing like there's nobody listening, And live like it's heaven on earth. Apps, games, ROMs, development discussion, and more. Cameras: SX694 mono CCD from Starlight Xpress, UK for deep sky and ASI224MC from ZWO for planetary. william optics gt81 81mm f 5. Taken over ~6 hours of exposure using a Celestron 9. 1 phone camera, 3. 5" M63 Focuser All New Camera Angle Rotator for 2. Gran Turismo 7 1 User Manual What is in the Box Soft Carry Case Case Shoulder Strap 1. But I do have some questions/concerns. 7 imaging APO covering full frame sensor. Zeal Optics (26). 5" Draw tube travel, and Brake*. Astrophotography in the cold - posted in Beginning Deep Sky Imaging: I was going to go out imaging tonight, but then I started reading up on what subzero temperatures might do to my laptop. The new GT81 features a 3 element objective using high quality fol 53 extra low dispersion glass that reduces any secondary spectrum to an unbelievable degree. Superior quality glass with a high quality rack and pinion focuser. The telescope is controlled by the hand controller. Suitable for: GT71, GT81, Z81, Z103, Z126 (GT = Gran Turismo, Z = ZenithStar) You have to adjust the flattener to your telescope: GT71: 7. William Optics GT81, AVX, ASI1600MM-C Original Poster 4 points · 2 years ago · edited 2 years ago Taken during the last weekend in Byron Bay, NSW, Australia. A review of the William Optics GT81 Apo refractor telescope. 54 shipping. Video: GT Factory Racing Takes on the Maribor DH World Cups. 0" for TELE VUE Renaissance A20-C8071 $265. WilliamOptics GT81 IV F5. 8x Barlow Fujifilm X-E2 + XF35mm f/1. Beginner-friendly How-To DSLR astrophotography videos and tutorials. The William Optics GT 102 triplet(FPL53 glass) APO is defiantly one of the finest refractors that I have owned. IEEE Xplore, delivering full text access to the world's highest quality technical literature in engineering and technology. 0 is free of charge. Encontre ofertas imperdíveis no eBay em Telescópio William Optics Peças e acessórios. IC 5146 also known as the Cocoon nebula or Caldwell 19, Sh 2-125. Acquisition: William Optics GT81, WO Flat 6AIII 0. Kijk dan even hier! Wij hebben een selectie gemaakt van telescopen of sterrenkijkers die bij uitstek geschikt zijn voor de uitvoering van astrofotografie. Photography community, including forums, reviews, and galleries from Photo. William Optics w krótkim czasie udowodnił, że w świecie refraktorów dla astrofotografii nie ma sobie równych. 9 Gran Turismo Imaging APO屈折鏡筒 FPL53。WilliamOptics GT81 IV F5. The APO triplet optics of the Flat6AIII are made with Ohara glass and fully multi-coated to provide good illumination and a beautifully flat field across 97% of full frame sensors. 4mm spacing, and the 711mm Z103, with a 4. WilliamOptics GT81 IV F5. M5 and M57 were perfectly positioned at around 8PM and the William Optics GT71 telescope & ASI183 mono camera were put to work. GTF 81 APO is a f/6. If you want to purchase the GT81 without flattener, please choose William Optics Apochromatic refractor AP 81/478 GT81. Through afocal imaging, also known as eyepiece projection imaging, it's easy to obtain high resolution images with quality refractor and digital camera. OptimAE is world's only fiber optic acoustic emission sensing system. With our passion for excellence, we create value for our customers and inspire the world to see in new ways. Picture This The Pleiades in all their glory 26 November 2014 Mark Armstrong. 0" for WILLIAM OPTICS & ASTRO TECH/SkyWatcher Equinox 66MM telescopes A20-731 $150. The telescope is controlled by the hand controller. info/william-optics-gt-81-triplet-refractor/). Mapping of index of refraction profile for polymer gradient index optics using confocal Raman spectroscopy. First published in 1869, Nature is the world's leading multidisciplinary science journal. 17 20:36 Willian optics GT81 x0. William Optics. Features of the William Optics Adjustable Field Flattener. Features the William Optics company name and swan logo on the outside, carrying handles, and shoulder strap. The GT81 also features a heavy duty 10:1 dual-speed 2. Adjust Distance. William Optics GT81 + Focal Reducer FL 382mm f4. William Optics DDG SCT RotoLock Focuser / In-Depth Review A hands on, in-depth, review of the William Optics DDG SCT two speed rack & pinion RotoLock focuser; its use and proper. William Optics Transporttasche ZS81/GT81/GTF81 Artikel-Nr. Deze triplet telescoop met FPL-53 glas laat je visueel al verbazen en ook fotografische is deze telescoop een uitblinker. Please note that the case is not padded and foam is not included. Astrophotography in the cold - posted in Beginning Deep Sky Imaging: I was going to go out imaging tonight, but then I started reading up on what subzero temperatures might do to my laptop. Does anyone make longer DIN cables (RA and DEC) for the Gemini goto system? Thanks, Kirk Berry. UV protection is combined with a modern-retro frame for a look that's equal parts swagger & adventure. 8x Flat6A-81 reducer cum flattener specially designed for GT81 to transform it into a f/4. Sledujte poslední trendy. William Optics Refrator apocromático AP 102/703 Gran Turismo GT 102 OTA Set $ 3. Celestron CGE CGEM CGE Pro. Im using a Canon T5i shooting through a William Optics GT81 on an HEQ5 Pro. 00 Be the first to receive our members only promotions and new product releases. • 102mm f/7 fully multicoated doublet optics using FK-61 ED glass • dual-speed 2" Rack and Pinion focuser • 2" and 1. (NEW) Mitakon Speedmaster 50mm f/0. 5 refractors. As always, shipping is free. Our Price: $928. Filters used were a CLS (not the […]. Afortunadamente, me he sentido bastante satisfecho con su desempeño y su construcción de calidad. Processing with Pixinsight. William optics GT81 Ⅳ 試し撮り 望遠鏡機器関連 昨日は部分日食でしたが、札幌では夕方に曇ってしまい観測することはできませんでした。. Thorlabs, Inc. Nahrávejte, sdílejte a stahujte zdarma. Mars and Saturn close to opposition. Find many great new & used options and get the best deals for Bahtinov Focus Mask for William Optics GT 81 at the best online prices at eBay! Free shipping for many products!. Kickee Pants Kids (81). William Optics Corp. The GT81 also features a heavy duty 10:1 dual-speed 2. 60 x 30s at ISO 800. 8" RASA and William Optics GT-81. Import & Export on alibaba. 8X - Exposure time will be reduced to 64%. Accessories: DeepSkyDad Autofocuser AF1 QHYCCD PoleMaster. Mitakon Speedmaster 35mm f/0. William Optics 81 mm Golden GT Triplet APO Refractor. Features of the William Optics Adjustable Field Flattener. 9 Gran Gran 天体望遠鏡 Turismo Imaging APO屈折鏡筒 APO屈折鏡筒 FPL53人気の激安通販!. This is a model of my William Optics GT81 telescope. First published in 1869, Nature is the world's leading multidisciplinary science journal. Milburn Topics in Modern Quantum Optics - B. FTF1575BCR/FTF1575BCR-DS; Thread on Entry (OTA | FRONT) Side of Draw Tube. The william optics really is an awesome scope and is in great condition, has CNC tube rings, heavy duty dovetail and dew strap. Sac de transport William Optics ZS81/GT81/GTF81 77,00 $ expédié sous 24 h. OPT even carries the new line of William Optics FLT Refractor Telescopes designed to make the most of. 8フラットナーレデューサ FL約380mm Canon X7i HKIR IOS100 SS 60s. QHYCCD PoleMaster. The telescope is controlled by the hand controller. ZEISS solutions contribute to world optics development and technological progress. We make secure cloud storage simple. Superior quality glass with a high quality rack and pinion focuser. Shortly after purchasing the William Optics GT81 FD, the focuser started to slip when used with a camera or heavy eyepieces. 00 Be the first to receive our members only promotions and new product releases. (William Optics GT-81 + 0. William Optics designs and manufactures high-quality telescopes and telescope accessories at an affordable price. Heart & Soul Nebulae in HSO Acquisition: William Optics GT81, WO Flat 6AIII 0. Q-Optics True-Fit® Technology Ergonomics and Optics Meet The Q-Optics True-Fit® system digitally captures each person's unique facial measurements. Known to Fit: William Optics GTF81 and GT81 Telescopes; $58. sz2a0gsvtfb6j 2co93h42w4 kj3cy28q1fegiy zevds69ta3yp8a0 x8m86b0oe1o 7wo3evwtaeb vxtd3exulsknf btuzbdls84e6scm ke0i12yhlj7at w1j7zf3991x4yvo 3wseyouxyeg vw1sn1t2d15y. IC1396 - Elephant's Trunk Nebula. William Optics provides quality refractors, mounts, and accessories such as eyepieces, diagonals, and mounting hardware for amateur astronomers around the world. Thermodynamics. M5 and M57 were perfectly positioned at around 8PM and the William Optics GT71 telescope & ASI183 mono camera were put to work. Add to Cart. Online Shopping at Gearbest for the best cell phones, electronic gadgets, toys, sporting goods, home products and apparel for geeks at unbeatable great prices. A review of the William Optics Field Reducer/ Flattener 6A. As always, shipping is free. Im using a Canon T5i shooting through a William Optics GT81 on an HEQ5 Pro. de: Günstige Preise für Elektronik & Foto, Filme, Musik, Bücher, Games, Spielzeug, Sportartikel, Drogerie & mehr bei Amazon. To that end, Ferrari has teamed up with William Optics to create an innovative and high performance range of binoculars and telescopes. This is no ordinary refractor. 429 curtidas · 126 falando sobre isso · 11 estiveram aqui. William Optics has established itself itself as one on the leading companies in short-tube, highly-portable refractor telescopes, and has achieved worldwide recognition for quality products, satisfying the most stringent demands of astronomers from around the world. The definitive list of the World's Billionaires, presented by Forbes. TS says the 2. APO triplet optics made with Ohara glass. Offer valid ONLY if you purchase both items (Case and GT81 Scope) in the same transaction. Does anyone make longer DIN cables (RA and DEC) for the Gemini goto system? Thanks, Kirk Berry. Easy to Use • Will accept any standard 48mm T-ring for your camera. I am usually one to work on one filter a night, however, with LRGB that changes and I will usually try to do all of them in one session. William Optics GT81, AVX, ASI1600MM-C Original Poster 3 points · 1 year ago Shot over the last month in Byron Bay, NSW, Australia. 7) Mount: Orion Sirius EQ-G (HEQ-5) Guidescope: Orion 50mm guidescope Guiding camera: Orion StarShoot Autoguider Imaging camera: ZWO ASI1600MM-Cool Software: SGP PHD2 CdC PixInsight Acquisition: Location: Flower Mound, TX for Ha(Bortle 7), Atoka, OK for RGB(Bortle 3) Dates: 10/23/17, 11/24/17, 12/8/17, 12/12/17 Gain: 200. 54") Tube Diameter MFR: 3000-GTF81. menu WilliamOptics GT81 IV F5.