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Abell31 in Constellation Cancer by Peter Knappert

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GUIDE: Collimating Takahashi Epsilon 130 ED w/ OCAL Takahashi Epsilon 130 Takahashi Epsilon-160ED Equipment +1 May 13, 2024Reg Pratt Last post: Gernot_Obertaxer	107	19.6k	12 hours ago
Remote imaging versus hands-on astrophotography: the debate continues Backyard Astrophotography Jan 20, 2026Jeff Bennett Last post: Rainer Ehlert	116	2.8k	9 hours ago
Minicat 51 raw images William Optics MiniCat 51 WIFD Russell Croman Astrophotography BlurXTerminator Sky-Watcher Star Adventurer GTi +2 Dec 11, 2024Aastro123 Last post: midnightsnacks	27	1.7k	5 hours ago
Do you ever feel like you are running out of targets? Backyard Astrophotography Jan 23, 2026Paul Sanfilippo Last post: Gamaholjad	44	1.1k	1 day ago
Is drizzle2x then downsampled helping? Drizzle Processing Galaxy Jan 17, 2026YingtianZZZ Last post: Jon Brown	14	587	1 hour ago
Is there a way to measure seeing? Backyard Astrophotography Seeing Conditions Jan 25, 2026Paul Sanfilippo Last post: Paul Sanfilippo	11	389	36 minutes ago
What is the colour of OIII? Processing OIII Narrowband +1 Dec 28, 2024Willem Jan Drijfhout Last post: Anderl	35	1.9k	1 day ago
Crescent Nebula raw data available for processing - 21 hours collected Optolong L-eNhance Pleiades Astrophoto PixInsight Processing +4 Jan 7, 2026Fabian Butkovich Last post: Edwin Keur	15	507	3 hours ago
I would appreciate some general gear advice from experienced people... Beginner Jan 26, 2026JohnnyAstroNew contributor Last post: Georg N. Nyman	21	308	2 hours ago
Pinched Optics? Acquisition Deep Sky Jan 26, 2026Jerry Gerber Last post: Jerry Gerber	20	306	4 hours ago
How to use the Northern Sky Narrowband Survey in Stellarium to aid planning and framing of targets Fabien Chéreau et al. Stellarium Acquisition Narrowband +1 Jan 20, 2026Paul Puntin Last post: Paul Puntin	8	324	13 hours ago
New Book on Fine Art Astrophotography Fine Art Astrophotography Book Recommendations Aug 10, 2025Gary Lopez Last post: Gary Lopez	96	3.9k	4 days ago
Is Cental Europe usually this cloudy? Weather Jan 27, 2026jack_miller Last post: Hvboy738	8	153	27 minutes ago
VeraLux HyperMetric Stretch - an open discussion Siril Team Siril Processing Stretching +2 Dec 10, 2025Riccardo Paterniti Last post: elythomaslumber	179	4.4k	2 days ago
Need hlep with weird star shape Celestron EdgeHD 8"ZWO ASI676MC Barlow +2 Jan 27, 2026akshay87kumar Last post: Jan Erik Vallestad	8	116	1 hour ago
flats overcorrecting in siril? Siril Team Siril DSLR Light Pollution Jun 26, 2025klm Last post: alpheratz06	42	1.1k	1 day ago
Polemaster camera not recognized on Windows 11 despite working on Windows 7 QHYCCD PoleMaster Jan 27, 2026Peter LedlieNew contributor Last post: Carastro	7	54	2 hours ago
Stacking issues with rotated field causing luminance lines in Seagull Nebula Pleiades Astrophoto PixInsight Processing Stacking +2 Jan 27, 2026Benjamin DeHaven Last post: andrea tasselli	8	89	4 hours ago
Cooling fan usage during imaging on RC telescopes: vibration concerns Dew Heater Reflectors Ritchey-Chrétien +3 Jan 27, 2026Paul MacAree Last post: Rainer Ehlert	5	49	2 hours ago
AM5 Heavy Duty Mode ZWO AM5 Nov 18, 2025BlackStarsAstro Last post: yfficroma	22	961	2 days ago
PIMagic for PixInsight and Photoshop Users Pleiades Astrophoto PixInsight Adobe Photoshop Processing Jan 4, 2026Tanja Schmitz Last post: Emmanuel Valin	5	278	1 day ago
Am5n knocking and clicking at zenith with 15kg (33lb) scope - need bigger counterweight? ZWO AM5N Equipment Harmonic Mount +1 Dec 14, 2025Bluetooth1989 Last post: Bluetooth1989	29	606	1 day ago
Stability in AM5 Askar 120APO Askar 103APO ZWO AM5 Dec 18, 2025Louis Last post: alpheratz06	24	501	1 day ago
Rosette Nebula The OSC Club (One Shot Camera) Processing Mar 1, 2024Jerry Gerber Last post: Gaillard Jérôme	1	196	1 day ago
Large aperture planetary setup heavily underperforming for an unknown reason Grischa Hahn WinJUPOS Auto-Focusing Lucky Imaging +6 Jan 20, 2026Hvboy738 Last post: Tony Gondola	26	594	2 days ago
Touptek GPM462M and PHD2 Open PHD Guiding Project PHD2 The ASCOM Initiative ASCOM ToupTek 462M +1 Jan 25, 2026Alexey Korobeynikov Last post: Alexey Korobeynikov	5	188	1 day ago
Data Request Collaboration Help Needed NGC2264 Jan 18, 2026Jeff Kisslinger Last post: Jeff Kisslinger	14	305	2 days ago
How to combine LRGB with HaO3 data for NGC 7662 processing Acquisition HDR Processing +4 Jan 1, 2026Michael J. Mangieri Last post: Rick Krejci	9	199	1 day ago
Northern vs southern hemisphere: which has better night sky targets? Acquisition Deep Sky Observing Lists Jan 23, 2026Ben Saunders Last post: alpheratz06	7	219	2 days ago
Best way to combine stacked images (no PI)? Processing Stacking Intermediate Jan 21, 2026Tony GondolaFrequent contributor Last post: Tony Gondola	16	245	2 days ago
Artifact from Rigel flaring into a Witch Head nebula image. Removing in Pixinsight. Processing Artifacts Jan 23, 2026SouthWestAstro Last post: SouthWestAstro	12	234	2 days ago
Gradient issue from purple to aqua using ZWO FF107APO and ASI2600MC with stacking on APP Aries Productions Astro Pixel Processor (APP)ZWO ASI2600MC Pro Gradient Removal +1 Jan 26, 2026Francois GregoireNew contributor Last post: alpheratz06	2	58	1 day ago
Stellavita app 2.0 ToupTek StellaVita Equipment Jan 27, 2026Eric Gagne	0	11	1 hour ago
Suggestions please for best budget software to connect my mixed bag of Hardware Sky-Watcher Star Adventurer GTi CMOS Equatorial Mount +7 Jan 7, 2026Richard Jones Last post: Richard Jones	28	363	3 days ago
Seeking high focal length telescope recommendations for deep sky imaging Dobsonian Equipment Reflectors +6 Jan 23, 2026Juju.ZiggyNew contributor Last post: jewzaam	15	368	3 days ago
ASI 585MC Air gain and exposure clarification ZWO ASI585MC Optolong L-eNhance CMOS +4 Jan 22, 2026Michele BoseggiaNew contributor Last post: alpheratz06	2	52	2 days ago
An Asteroid...Apparently Asteroid Jan 22, 2026John Walsh Last post: JohnAdastra	15	420	3 days ago
Strange persistent structure/artifact in old (2025) subs — what could it be? Artifacts Help Needed Jan 24, 2026Juan Pablo De la Cruz Last post: alpheratz06	2	70	2 days ago
sgp & double telescope setup Main Sequence Software Sequence Generator Pro (SGP)Acquisition Dithering +2 Feb 6, 2025nuvolamax Last post: ItsMeAstro	7	273	3 days ago
Using SPCC in Pixinsight with QHYCCD MiniCAM8M Deep Sky Combo mono camera Pleiades Astrophoto PixInsight QHYCCD miniCAM8M CMOS +4 Jan 25, 2026Eric XieNew contributor Last post: Tony Gondola	1	55	2 days ago
I am asking for help in purchasing an eyepiece for my telescope Beginner Buying Advice Eyepieces Jan 23, 2026BigLizardAstro Last post: BigLizardAstro	7	91	3 days ago
Processing Horsehead Nebula Acquisition Processing Deep Sky +1 Jan 19, 2026Ramzi Hemadeh Last post: Ramzi Hemadeh	19	504	4 days ago
Found a moving streak in my frames - Is it an asteroid? Backyard Astrophotography Beginner Jan 24, 2026ZigZagZebraz Last post: Brian Puhl	4	62	3 days ago
Esprit 120 Slippage / Sesto Senso 2 PrimaLuceLab SESTO SENSO 2 Troubleshooting Jan 19, 2026Anderl Last post: SonnyE	15	127	4 days ago
BANNED from cloudy nights Off-topic Jan 18, 2026Tony GondolaFrequent contributor Last post: Salvatore Iovene	55	2.6k	6 days ago
Asiair mosaic planning: why do panel rotation angles vary? ZWO ASIAIR Plus Rotator Acquisition +3 Jan 23, 2026Benjamin DeHaven Last post: ItsMeAstro	3	62	3 days ago
Help with RH200 halos/reflections Officina Stellare RH200 MKII AT Reflectors Artifacts +2 Dec 18, 2025Jose Mtanous Last post: TiffsAndAstro	21	446	5 days ago
Moravian C3 camera CMOS Equipment Filter Wheel +1 Jan 9, 2026Nicolas Molina Last post: ItsMeAstro	17	347	5 days ago
Fragen zur Astrofotografie mit ZWO 533MC und Filtern Sky-Watcher EQM-35 Pro Astronomik L-3 Luminance UV/IR Block 1.25"Sony A6000 +2 Dec 29, 2025Stefan3 Last post: Florian Dittrich	4	116	4 days ago
Need clean ASTAP files for Windows, current version not solving Acquisition Plate Solving Astrometry +2 Jan 20, 2026SonnyEFrequent contributor Last post: SonnyE	5	70	4 days ago

Showing 1-50 of 8963