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Cassiopeian Clusters by Elvie1

Aligning telescope optics for optimal performance.

Showing 1-50 of 168

	Replies	Views	Created
how to collimate skywatcher explorer 130p Sky-Watcher Explorer 130P Equipment Reflectors +1 Nikolaos Bafitis Last post: Erlend Langsrud	7	133	4 days ago
Hypergraph 6 (Sharpstar 150) : Position of comacorrector Equipment Collimation Help Needed +1 Georg N. Nyman Last post: Georg N. Nyman	2	58	Oct 23, 2025
Takahashi e-130D Primary adjustment Takahashi Epsilon-130D Collimation Simon Last post: Simon	9	119	Oct 13, 2025
Help with skywave models Reflectors Collimation Help Needed +1 Anthony Grillo Last post: sebaromano	1	43	Oct 8, 2025
RC collimation Equipment Ritchey-Chrétien Collimation Tony Gondola Last post: Tony Gondola	35	806	Oct 4, 2025
Problems with my Quattro Skywatcher Sky-Watcher Quattro 250P / 10-S Collimation Help Needed Lalo Juarez Last post: andrea tasselli	1	68	Sep 28, 2025
Thoughts on my collimation of 9.25 sct Celestron NexStar Evolution 9.25 Equipment Collimation Tom H Last post: Tom H	3	93	Sep 23, 2025
Viti di collimazione del mio dobsoniano Sky-Watcher Skyliner 200P Collimation Help Needed +1 Dipas Last post: Dipas	2	28	Sep 6, 2025
OCAL 3.0 pro max VS OCAL 4.0 Reflectors Buying Advice Collimation +1 Gabriel Last post: Deepan Vishal	6	222	Aug 29, 2025
Diffraction Pattern Question Reflectors Advanced Collimation +3 Josh Jones Last post: andrea tasselli	7	212	Aug 27, 2025
Sky-Watcher Quattro 250P - Collimation Issues Sky-Watcher Quattro 250P / 10-S Collimation Troubleshooting +1 Efimenco Vladimir Last post: Jeff Coldrey	15	443	Apr 27, 2025
How easy would this app be to develop? Reflectors Collimation Coma Craig Towell Last post: Tony Gondola	6	281	Apr 3, 2025
Bad Collimation? C9.25 XLT Schmidt-Cassegrain Telescope (SCT) Imagers Celestron EdgeHD 9.25"Collimation Help Needed Ronny May Last post: Ronny May	10	150	Mar 26, 2025
Experience with the GSO 14"? GSO 14" f/8 Ritchey-Chretien Truss Tube Sky-Watcher EQ8-RH Ritchey-Chrétien +2 Daniel Petzen Last post: Yuexiao Shen	7	366	Mar 19, 2025
DirectShow Driver ToupTek ATR3 CMOS 1700 KPA Collimation Help Needed Gernot Schreider Last post: Gernot Schreider	4	68	Mar 10, 2025
Tips for Sky-Watcher Starlux 190MN / BK 190MN DS Sky-Watcher Starlux 190MN / BK 190MN DS Reflectors Collimation pessorrusso Last post: Craig Dixon	12	543	Feb 13, 2025
[RCC] My First Imaging Attempt with GSO RC 8” Carbon Ritchey-Chrétien Reducer Request for feedback +1 maxbaro Last post: Joseph Biscoe IV	6	437	Jan 30, 2025
Bobs Knobs for my Quattro 250P Sky-Watcher Quattro 250P / 10-S Equipment Reflectors +1 Eric Jeziorczak Last post: Joel Lee	3	80	Jan 29, 2025
Advice on interpreting skywave collimation results Planewave CDK14 Equipment Collimation Willem Jan Drijfhout Last post: MaksPower	17	535	Jan 24, 2025
Bad collimation or defect on Apertura 8" RC Apertura 8" f/8 Ritchey-Chretien Carbon Fiber Ritchey-Chrétien Collimation Rodrigo Roesch Last post: Niraj	65	2.4k	Jan 23, 2025
Need advice for collimation of Skywatcher 200P Sky-Watcher Explorer 200P Equipment Collimation +2 YingtianZZZ Last post: Andrew Ford	8	378	Jan 20, 2025
Need help OCAL Electronic Collimator Collimation Troubleshooting eric belanger Last post: Rick Krejci	17	342	Jan 6, 2025
Newton collimation Catseye Collimation CATSEYE Collimation System Collimation eric belanger Last post: Tony Gondola	5	165	Jan 1, 2025
Collimation Issue Equipment Reflectors Collimation Ajith Everester Last post: Tony Gondola	1	77	Nov 15, 2024
OCAL collimator Collimation Vignetting Menelaos Last post: Tony Gondola	4	80	Nov 14, 2024
HOTECH CT Collimator and Edge Hd 8 Equipment Reflectors Collimation James Last post: Dave Rust	2	166	Nov 11, 2024
Request help with collimation Sky-Watcher Starlux 190MN / BK 190MN DS Refractors Collimation NeedMoreCoffee2 Last post: Coenie	12	471	Oct 6, 2024
RC10 Backfocus has moved since mirror cleaning and collimation Equipment Ritchey-Chrétien Collimation Tim Ray Last post: Tim Ray	5	187	Sep 14, 2024
Refractor collimation question Equipment Collimation Tilt Sean Mc Last post: Sean Mc	4	112	Sep 11, 2024
RC8 Collimation using Innovations Foresight SkyWave Equipment Ritchey-Chrétien Collimation Jérémie Last post: Gaston Baudat	18	828	Aug 26, 2024
Why are my stars shaped like flat discs??? ZWO ASI224MC Acquisition Deep Sky +2 Jaymz Bondurant Last post: Jaymz Bondurant	23	774	Jul 27, 2024
Help aligning mirror with corrector plate! Equipment Reflectors Collimation Jaymz Bondurant	0	37	Jul 23, 2024
Pinched optics, backspacing error....or both? Acquisition Deep Sky Troubleshooting +1 Piers Palmer Last post: Piers Palmer	5	146	Jul 17, 2024
Conflicting tilt measurements results Pleiades Astrophoto PixInsight Equipment Tilt +2 Eyecon Last post: Josh Jones	9	216	Jul 15, 2024
Secondary mirror tilted in its holder GSO 10" f/8 Ritchey-Chretien Ritchey-Chrétien Collimation +2 Götz Golla	0	128	Jun 24, 2024
Aurora Precision EQ Primary Cell Fast Newtonians Reflectors DIY Collimation noon Last post: noon	12	300	Jun 16, 2024
Need a favor from Explore Scientific First Light 152 Maksutov-Cassegrain owners Explore Scientific Explore FirstLight 152mm Maksutov-Cassegrain FL-MC1521900 Equipment Help Needed +2 Steven Bellavia	0	53	Jun 10, 2024
I Haven't Yet Mastered Collimation with the Edge HD 8 Celestron EdgeHD 8"Collimation Help Needed Jerry Gerber Last post: Leonardo Ruiz	37	2.1k	Jun 1, 2024
13028HNT Collimation Sharpstar 13028HNT Collimation Troubleshooting Armin Lukas Last post: Andy	4	462	May 20, 2024
SCT Collimation Idea Equipment Collimation Michael Gorman Last post: John Hayes	8	206	May 14, 2024
GUIDE: Collimating Takahashi Epsilon 130 ED w/ OCAL Takahashi Epsilon 130 Takahashi Epsilon-160ED Equipment +1 Reg Pratt Last post: Reg Pratt	93	19.2k	May 13, 2024
Hotech Advanced CT Laser Collimator - What is causing this? Equipment Collimation Troubleshooting +1 Jeramie Last post: Jeramie	10	257	May 2, 2024
Collimating Scope Takahashi Epsilon 130 Collimation Reg Pratt Last post: AnaTa	3	106	Apr 22, 2024
Reflector star size(s) ZWO ASIAIR Plus ZWO EAF Reflectors +1 Buyman3375 Last post: andrea tasselli	10	382	Apr 8, 2024
Doubled bhatinov spikes. Acquisition Deep Sky Troubleshooting +1 Sean Mc Last post: John Hayes	8	179	Mar 22, 2024
OCAL3.0 (or 3.0 Max) and RC Telescopes OCAL Electronic Collimator Ritchey-Chrétien Collimation Jerry Gerber Last post: Remco	7	361	Mar 20, 2024
Stars with tails - tilt issue? help ZWO ASI2600MC Pro Celestron CGX-L Equipment +2 Buyman3375 Last post: andrea tasselli	50	865	Mar 14, 2024
Fast newtonians for remote setup Fast Newtonians Remote Astrophotography Collimation Emilio Frangella Last post: Aris Pope	1	115	Mar 2, 2024
Fine tunning Backfocus to match the Telescope Focal Length Equipment Backyard Astrophotography Collimation Observatório Astrográfico do Boqueirão Last post: Observatório Astrográfico do Boqueirão	10	361	Feb 23, 2024
Pimp your simple laser collimator for higher resolution Equipment DIY Collimation Pinguru Last post: Pinguru	1	89	Feb 12, 2024

Showing 1-50 of 168