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NGC 7753 (Arp 86) in Pegasus - Another Cosmic Whirlpool by Greg Nelson

Requests for assistance with specific problems.

Showing 1-50 of 557

	Replies	Views	Created
Help to check Hocus Focus result. Help Needed Tilt Erik Guneriussen Last post: SonnyE	3	54	7 hours 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	3	130	4 days ago
How to lock or stiffen clutch on original Star Adventurer mount? Sky-Watcher Star Adventurer Star Tracker DIY +1 Nedh SmithNew contributor Last post: Geert Vandenbulcke	1	51	5 days ago
Problem with NINA loosing pre set settings, and mount connection issues! Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Green Swamp Software Green Swamp Server Help Needed Mark C. Helton Last post: SonnyE	15	151	7 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	8 days ago
Recommend an Astrophotography Image Database for Mac Help Needed Pele Johnson Last post: Pele Johnson	8	284	11 days ago
Looking for a 2600 to repair. ZWO ASI2600MM Pro ZWO ASI2600MC Pro Equipment +3 Alejandro Navarro	0	72	15 days ago
Getting good guiding results with short exposures on ASIAIR setup - But have lots of questions…. Sky-Watcher Star Adventurer ZWO ASI220MM Mini ZWO ASIAIR Plus +7 docgroggy1 Last post: docgroggy1	10	135	16 days ago
New to astrophotography, and i appreciate your advice on what to buy! Equipment Buying Advice Help Needed Mohamed Barrouh Last post: SonnyE	25	351	16 days ago
extreme offset vignetting in flats and lights Filters Help Needed Troubleshooting +1 Anthony Grillo Last post: Matias Svenningsson	11	234	16 days ago
Étoiles allongées en R.A Processing Request for feedback Help Needed +1 Sindy Rive Last post: Andrew Weller	1	29	20 days ago
Looking for .ser file of the moon AstroSharp Ltd SharpCap Beginner Help Needed +1 Tomvp Last post: Bernd Hoefner	3	89	21 days ago
Secondary mirror coating issue or possible light leak problem? Equipment Reflectors Help Needed +1 Anthony Grillo Last post: andrea tasselli	7	111	23 days ago
Stacking tips for comet A6 Lemmon captured with 35mm lens Processing Stacking Comet +1 Pablo Lucero Last post: Pablo Lucero	5	106	23 days ago
Rotation shift after meridian flip (no electronic rotator) Meridian Flip Help Needed Troubleshooting ValeryL Last post: ValeryL	5	130	28 days ago
Question for owners of the Asi26500mm (P25) camera ZWO ASI2600MM Pro Filter Wheel Help Needed Mateusz Wiśniewski Last post: Marcelof	4	413	Oct 24, 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
Advanced Voyager Wiki for RoboTarget Imaged with Voyager Help Needed Grigory2020 Last post: Grigory2020	7	117	Oct 21, 2025
Diagnostic help, please Filters Filter Wheel Calibration +5 Michael Urvina Last post: Grigory2020	13	234	Oct 19, 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
Data for practice Processing Beginner Help Needed Sergey Kostrykin Last post: Alexander Bouwman	10	313	Oct 16, 2025
Developing AI denoising software for astrophotography - do people need this? Noise Reduction Help Needed 鬼狼 Last post: Tony Gondola	35	1.1k	Oct 16, 2025
Lost HEQ5 tripod attachment rod, need help finding replacement parts Sky-Watcher HEQ5 PRO Equipment Help Needed Greisy Valdes	0	31	Oct 16, 2025
sky March 19, 2023 Help Needed silvia.honululu Last post: silvia.honululu	4	120	Oct 15, 2025
What am I doing wrong (new HR diagram tool in PixInsight) Help Needed Ari Paulechen Junior Last post: Craig Towell	3	153	Oct 15, 2025
Beginner seeking advice on planetary imaging with Apertura telescope Planetary Camera Beginner Buying Advice +1 Vlad Tsymbalyuk Last post: andrea tasselli	2	56	Oct 14, 2025
Comet Lemmon Data Up for Review – Banding / Pixelation Issue Equipment DSLR Processing +1 Tanja Schmitz Last post: AstroÅmazer	5	177	Oct 14, 2025
Slew rate does not make sense Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Sky-Watcher EQ-AL55i PRO Go-To Sky-Watcher SynScan Pro +1 Christoph B Last post: Gamaholjad	6	104	Oct 13, 2025
Drivers Question QHYCCD QHY600PH M SBFL (Short back-focal length)Equipment Help Needed +1 Deepan Vishal Last post: Noah Tingey	2	64	Oct 13, 2025
Seti Astro Pro Suite installation troubles SetiAstro Editing Suite Help Needed Sean Boon Last post: D. Jung	7	122	Oct 12, 2025
Image Train and focus with ADC ZWO EAF Celestron EdgeHD 8"Planetary Camera +2 Adrian Webster Last post: David Foust	10	137	Oct 11, 2025
Combining dual telescope setup data for narrowband imaging efficiency (Mono Ha/OIII + OSC L-Extreme) Optolong L-eXtreme Processing Stacking +2 Pranalabs Last post: Pranalabs	23	287	Oct 11, 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
Help with dust on QHY600M sensor after cleaning attempt Equipment Help Needed Robert Lowenthal Last post: Tony Gondola	10	94	Oct 8, 2025
How to identify bad darks? Calibration Dark Frames Artifacts +1 Arny Last post: Craig Towell	2	78	Oct 8, 2025
Questions about BiggSky blind deconvolution Deconvolution Lucky Imaging Processing +1 Craig Bobchin Last post: andrea tasselli	10	120	Oct 6, 2025
Bayer-like checkered pattern on mono subs ZWO ASI1600MM CMOS Monochrome +3 André Moleiro Last post: Ani Shastry	4	202	Oct 5, 2025
Is there a name for Sh2-204? Deep Sky Emission Nebula Help Needed +2 pmneo Last post: Marco Montella	6	278	Sep 30, 2025
Strange grainy artifacts in background when applying NXT - normal or error? Processing Noise Reduction Duo-Narrowband +3 Derek Vasselin Last post: Tim Ray	5	114	Sep 29, 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
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
License deactivated after changing email address, need PixInsight support help Pleiades Astrophoto PixInsight Help Needed Davide Barruncho Last post: Davide Barruncho	1	97	Sep 24, 2025
Weird artifact in CLSCCD images that won't calibrate away Filters Filter Wheel Calibration +5 Leela.Astro.Imaging Last post: Scott Badger	8	130	Sep 24, 2025
GraXpert Denoising Time Steffen Hirtle GraXpert Pleiades Astrophoto PixInsight Help Needed Max Last post: Aloke Palsikar	8	236	Sep 23, 2025
QHY-268M Noisy with narrow band QHYCCD QHY268 M CMOS Artifacts +2 Roger Renberg Last post: Roger Renberg	10	268	Sep 23, 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
Arduino stepper focuser ASCOM driver development help needed The ASCOM Initiative ASCOM Focuser DIY +1 Tony GondolaFrequent contributor Last post: Tony Gondola	4	60	Sep 21, 2025

Showing 1-50 of 557