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18 hours on M81 with 30" f/3.8 dob by Gabriel Wiklund

General problem-solving for equipment and software issues.

Showing 1-50 of 764

	Replies	Views	Created
Halo artifact troubleshooting on Esprit ED80 and lens cleaning safety Equipment Refractors Optics +4 lucasjacobson Last post: Brian Puhl	4	46	13 hours ago
No way to correct this with flats Calibration Processing Artifacts +2 Frank "Voloire" Last post: Nico Gärtner	5	79	19 hours ago
Help - Vertical bands - Flats is the culprit - Can someone help me understand what's happening ? Pleiades Astrophoto PixInsight Takahashi Epsilon-160ED Takahashi Epsilon-180ED +2 Deepan Vishal Last post: John Hayes	8	161	3 days ago
TS Optics 115/805 Photoline with 0.8 reducer - elongated star issues? TS-Optics Photoline 115mm f/7 Reducer Refractors +2 Harald Becher Last post: codwyer	2	96	3 days ago
Strange artifact in images with Askar 120 APO setup Sky-Watcher EQ6-R Pro LRGB Artifacts +2 Juan Pablo De la Cruz Last post: Juan Pablo De la Cruz	4	164	5 days ago
Mysterious star trailing solved: a cautionary tale of fan vibration with a fan cooled (especially ZWO) camera. ZWO ASI2600MC Pro Equipment Cooling +2 Rick Veregin Last post: Rick Veregin	25	539	8 days ago
ASI294MC Pro amp glow persists after dark frame calibration ZWO ASI294MC Pro CMOS Amp Glow +5 Girish Last post: Girish	8	228	9 days ago
EQstar double motor system won't connect to iPhone with SynScan pro Sky-Watcher SynScan Pro Equatorial Mount Beginner +2 Kees Bijker	0	13	9 days ago
PC power failure caused the mount not to connect in Sharpcap The ASCOM Initiative ASCOM Troubleshooting Gary Warnes Last post: Gary Warnes	11	177	13 days ago
Looking for a 2600 to repair. ZWO ASI2600MM Pro ZWO ASI2600MC Pro Equipment +3 Alejandro Navarro	0	73	16 days ago
extreme offset vignetting in flats and lights Filters Help Needed Troubleshooting +1 Anthony Grillo Last post: Matias Svenningsson	11	234	18 days ago
Missing COM Port After Changing Mount Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Troubleshooting Mossyback Last post: Brian Puhl	1	30	19 days ago
Secondary mirror coating issue or possible light leak problem? Equipment Reflectors Help Needed +1 Anthony Grillo Last post: andrea tasselli	7	112	24 days ago
Blue halos around stars after LRGB combining in PixInsight Artifacts Troubleshooting Georg N. Nyman Last post: Brian Puhl	7	151	27 days ago
Rotation shift after meridian flip (no electronic rotator) Meridian Flip Help Needed Troubleshooting ValeryL Last post: ValeryL	5	130	29 days ago
Focal Reducer / Camera Fogging Issue Troubleshooting Jeff Watts Last post: Jeff Watts	3	87	Oct 25, 2025
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
Crossing My Fingers - Player One Service Player One Uranus-M Pro CMOS Equipment +1 Astro Jeep Last post: Astro Jeep	5	288	Oct 22, 2025
Diagnostic help, please Filters Filter Wheel Calibration +5 Michael Urvina Last post: Grigory2020	13	234	Oct 19, 2025
Starting a sequence in Benro Polaris Benro Polaris Equipment Star Tracker Beginner +1 Grigory2020	0	38	Oct 18, 2025
NexStar Evolution 6 — Strange Motor Behavior After PC Disconnect Celestron NexStar Evolution Equipment Troubleshooting Jean-David Gadina	0	35	Oct 17, 2025
Help with odd QHY268M images QHYCCD QHY268 M Help Needed Troubleshooting Jeffery Richards Last post: Willem Jan Drijfhout	8	179	Oct 17, 2025
Soft images from remote observatory - clouds or dew on optics? Remote Astrophotography Seeing Conditions Weather +2 Roger Renberg Last post: Scott Badger	2	84	Oct 16, 2025
Drivers Question QHYCCD QHY600PH M SBFL (Short back-focal length)Equipment Help Needed +1 Deepan Vishal Last post: Noah Tingey	2	65	Oct 13, 2025
ASIAIR Mini and ASI2600MC exposure failures despite troubleshooting attempts Help Needed Troubleshooting Andrew Murrell Last post: RobPettengill	14	131	Oct 11, 2025
Skywatcher experience needed - seeking user feedback and recommendations Equatorial Mount Equipment GoTo +3 Gerhard Geipel Last post: Gerhard Geipel	2	92	Oct 9, 2025
Help with skywave models Reflectors Collimation Help Needed +1 Anthony Grillo Last post: sebaromano	1	43	Oct 8, 2025
CAA requires 4 attempts to move each evening before working normally ZWO CAA Camera Angle Adjuster Troubleshooting Niels_L Last post: DavesView	3	104	Oct 8, 2025
Bayer-like checkered pattern on mono subs ZWO ASI1600MM CMOS Monochrome +3 André Moleiro Last post: Ani Shastry	4	202	Oct 5, 2025
Circular artifact in WBPP processed image, suspect flat frame issue Calibration Artifacts Help Needed +1 Catalin Iordache Last post: Catalin Iordache	7	99	Sep 29, 2025
Are these halos caused by good seeing and diffraction patterns? Planewave CDK14 Seeing Conditions Optics +2 Anthony Grillo Last post: John Hayes	11	374	Sep 29, 2025
WBPP experiencing "Unknown exception" errors during "Measurements" Pleiades Astrophoto PixInsight Stacking Troubleshooting Anthony Quintile Last post: Anthony Quintile	6	96	Sep 28, 2025
Weird artifact in CLSCCD images that won't calibrate away Filters Filter Wheel Calibration +5 Vin Last post: Scott Badger	8	130	Sep 24, 2025
EQ6R-Pro disaster Sky-Watcher EQ6-R Pro ZWO ASIAIR Plus Equatorial Mount +2 John Walsh Last post: John Walsh	22	722	Sep 23, 2025
BlurX, StarX, NoiseX and ROCM 7.x Russell Croman Astrophotography NoiseXTerminator Russell Croman Astrophotography BlurXTerminator Russell Croman Astrophotography StarXTerminator +1 Scott Stirling	0	127	Sep 22, 2025
CEM25EC Woes iOptron CEM25EC Equipment Help Needed +1 AstroArg Last post: Georg N. Nyman	5	82	Sep 19, 2025
Seti Astro Suite Pro - Windows11 with Norton 360 SetiAstro Editing Suite Processing Help Needed +1 Georg N. Nyman Last post: Paul H	14	260	Sep 18, 2025
New mini PC won't boot after remote imaging session Remote Astrophotography Help Needed Troubleshooting Jerry Gerber Last post: Jerry Gerber	34	693	Sep 17, 2025
Stellarium no longer shows deep sky surveys Fabien Chéreau et al. Stellarium Acquisition Deep Sky +2 Derek Morf Last post: Derek Morf	14	331	Sep 15, 2025
Strange star trails? Acquisition Guiding Artifacts +1 Karel Schel Last post: Karel Schel	3	58	Sep 9, 2025
MixSHO AIP: what to use? Acquisition Processing H-alpha +4 Gordon Pegue Last post: Gordon Pegue	12	148	Sep 9, 2025
Hairy Stars Equipment Reflectors Optics +3 Tony Gondola Last post: Tony Gondola	27	450	Sep 7, 2025
Enabling GPU usage on an NVIDIA card for RC-Astro tools Help Needed Troubleshooting Gordon Pegue Last post: Read noise Astrophotography	12	397	Sep 7, 2025
Another weird cdk star halo issue! Reflectors Optics Help Needed +1 Anthony Grillo Last post: Anthony Grillo	15	226	Sep 5, 2025
Error is module CreateLightsStackTask Aries Productions Astro Pixel Processor (APP)Help Needed Troubleshooting Peter Goodhew Last post: andrea tasselli	1	19	Sep 2, 2025
Best printers for astrophotography prints and color calibration issues Equipment Color Calibration Processing +3 Patrick Graham Last post: Dave Erickson	7	104	Aug 30, 2025
Mount axes swapped? Sky-Watcher EQ-AL55i PRO Go-To Troubleshooting Christoph B Last post: Andrew	2	71	Aug 28, 2025
Diffraction Pattern Question Reflectors Advanced Collimation +3 Josh Jones Last post: andrea tasselli	7	212	Aug 27, 2025
Had it with ASI AIR !!!!! ZWO ASIAIR Troubleshooting AstroRBA Last post: bigCatAstro	54	2.1k	Aug 22, 2025
ASIAIR Mini Amp Problem ZWO ASIAIR Mini Power Supply Help Needed +1 Johannes Maximilian Möslein Last post: Tony Gondola	5	104	Aug 20, 2025

Showing 1-50 of 764