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Eta Carinae and surroundings by Gunther Wandtke

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AstroArt Store experience Off-topic Oct 2, 2023D. Jung Last post: gigaklatch	141	9.1k	Nov 26, 2025
How many of you own more than one telescope? Equipment Oct 8, 2024John HayesFrequent contributorExemplary contributor Last post: didier APPLETON	158	5.5k	1 hour ago
Changes to PixInsight forum ???? Pleiades Astrophoto PixInsight Apr 25, 2026Eric GagneFrequent contributor Last post: Stu Todd	24	827	16 hours ago
New Charles Bracken Book Weighs in at Six Pounds! Beginner Intermediate Astronomy tools +2 Apr 23, 2026Craig Bernier Last post: David Pastern	22	564	13 hours ago
Issue With Plate Solving Pleiades Astrophoto PixInsight Plate Solving Help Needed Apr 27, 2026Caleb Evans Last post: Willem Jan Drijfhout	15	587	10 hours ago
Serious Stray Light Issue - William Optics UltraCat 56 William Optics Ultra-Cat 56 Artifacts Mar 1, 2026rqfugate Last post: rqfugate	32	902	1 day ago
How do you store your Newtonian Scopes? Equipment Reflectors Oct 25, 2022Kieran Gunessee Last post: Médéric Hébert	14	671	18 hours ago
New friction drive mount by Twinstar - Cuby45 Equatorial Mount News Mar 18, 2026Samuel Müller Last post: Samuel Müller	2	182	Mar 18, 2026
Don't underestimate what Claude can do with your NINA Advanced Sequencer JSON Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Deep Sky Mar 24, 2026Frank "Voloire" Last post: Arun H	62	1.5k	2 days ago
Using 7nm dual-band Ha/OIII filters on fast f/3.8 systems Equipment CMOS Filters +7 Apr 28, 2026Interactive Sky Last post: Interactive Sky	5	68	2 hours ago
A spreadsheet to convert Hocus Focus result in pratical move/turns of a manual tilt adapter plate Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Equipment How-to +1 Jan 7, 2026Frédéric Ruciak Last post: ScottF	5	130	Jan 9, 2026
WBPP vs Sirilic Siril Team Sirilic Stacking Apr 18, 2026Ethan Sweet Last post: Ethan Sweet	6	154	7 minutes ago
Tracking /Guiding issues half way through an Imaging session. Sky-Watcher HEQ5 PRO Green Swamp Software Green Swamp Server Open PHD Guiding Project PHD2 Apr 27, 2026Seany75ukNew contributor Last post: Tony Gondola	11	77	6 hours ago
Bigger scope for Jupiter imaging or dedicated cooled astro camera for DSO Equipment Buying Advice Jupiter Apr 27, 2026Mark Worthington Last post: andrea tasselli	12	85	10 hours ago
ToupTek is getting closer to breaking the monopoly (StellaVita 2.0)) ToupTek StellaVita Equipment Feb 9, 2026Ali Alobaidly Last post: Eric Gagne	54	1.8k	2 days ago
Antlia SHO Edge 4.5nm and f/4 Scopes? Filters Reflectors Narrowband Apr 27, 2026Jim Waters Last post: Rick Krejci	6	78	6 hours ago
Polemaster camera not recognized on Windows 11 despite working on Windows 7 QHYCCD PoleMaster Jan 27, 2026Peter Ledlie Last post: Jeff Bennett	10	127	15 hours ago
Integrating Science and Astrophotography General Science Physics Citizen Science Jan 22, 2026David Payne	0	174	Jan 22, 2026
External focuser on an SCT; What about temperature change induced focal shift and back-focus? Celestron EdgeHD 11"Celestron EdgeHD 14"Celestron EdgeHD 8" +1 Mar 25, 2026John Stone Last post: Alex Nicholas	40	760	1 day ago
Wanderer ETA Tilt Corrector N.I.N.A. connection button behavior Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Help Needed Apr 26, 2026Jozef BoddenNew contributor Last post: Dale Ghent	7	80	16 hours ago
Halos and diffuse glow around bright stars with iTelescope T5 CCD Processing Remote Astrophotography +4 Apr 19, 2026Claudio Pedrazzi Last post: Claudio Pedrazzi	16	314	1 day ago
Off-Centre image circle on Newtonian Sky-Watcher Explorer 150PDS Apr 27, 2026John Walsh Last post: Jeffrey Kieft	6	89	18 hours ago
QHY Polemaster adapter compatibility with Astro-Physics Mach1 GTO Astro-Physics Mach1 GTO Apr 24, 2026Jeff Bennett Last post: Jeffrey Kieft	8	78	18 hours ago
Is the Sky Watcher Heritage 130p suitable for first-time telescope buyers? Beginner First Telescope Buying Advice Apr 23, 2026Samet AKTURKNew contributor Last post: Jeffrey Kieft	6	77	18 hours ago
1.25" filters Astrodon H-alpha 5nm 1.25"Chroma OIII 3nm Bandpass 1.25"Chroma SII 3nm Bandpass 1.25" +1 Apr 23, 2026Tareq Abdulla Last post: Rob Lyons	7	79	1 day ago
RC Astro Xterminator Tools Not Showing in Pixinsight After Installing Windows Updates on 4/21/26 Russell Croman Astrophotography NoiseXTerminator Russell Croman Astrophotography StarXTerminator Pleiades Astrophoto PixInsight Apr 22, 2026Jim Raskett Last post: Jim Raskett	7	741	2 days ago
Is Touptek coming up with a mount? Harmonic Mount Apr 25, 2026Eric GagneFrequent contributor Last post: Jeffrey Kieft	3	82	23 hours ago
Solar H-alpha close-up views Filip Szczerek ImPPG (Image Post-Processor)Processing Stacking +2 Apr 20, 2026Olivier Girard Last post: GreatAttractor	12	277	2 days ago
QHY Minicam8 blue halo QHYCCD miniCAM8M Feb 20, 2026Olivier G Last post: Alex Nicholas	12	227	2 days ago
PixInsight GPU support in RC-Astro plugins (TensorFlow with CUDA) in Debian 12 Processing How-to Troubleshooting Mar 1, 2025Jan Bielański Last post: lblock	4	267	2 days ago
Processing tips for moon composite Adobe Photoshop HDR Processing +2 Apr 25, 2026Paul Sanfilippo Last post: Paul Sanfilippo	5	86	1 day ago
沙发 Clearsky ST32 Sep 10, 2025jiaze Fu Last post: Wes Schwarz	3	130	1 day ago
Introducing AMSP: Automatic Multi-Session Processing script for Siril, fully automatic Siril Team Siril Processing Stacking +2 Apr 26, 2026Cyril Richard Last post: Cyril Richard	3	74	2 days ago
Suggestion on Siril workflow for DSO Siril Team Siril Processing Beginner +1 Apr 27, 2026Francesco CogliandroNew contributor Last post: Tony Gondola	1	32	1 day ago
Enhancing the Elephant's Trunk Nebula with multi-scale resolution techniques Canon EF 200mm f/2.8L USM Apr 26, 2026Carlos Rincón Last post: Carlos Rincón	2	118	2 days ago
Unknown (to me) object in M44 Acquisition Deep Sky Help Needed +2 Apr 23, 2026Alex Penzias Last post: Alex Penzias	9	364	3 days ago
Question about large lunar and solar mosaics Leo Shatz HelioMaker AstroSharp Ltd SharpCap Guiding +1 Apr 26, 2026Leo Shatz Last post: Tony Gondola	3	38	2 days ago
Premier télescope Buying Advice Apr 26, 2026Jérôme SèveNew contributor Last post: Tony Gondola	1	42	1 day ago
Struggling to improve my telescope guiding performance Guiding Feb 20, 2026Jeff Dyben Last post: Phil Bordelon	14	390	4 days ago
What have I really learned after these two months of mono? Acquisition Processing Monochrome +1 Apr 25, 2026Frank "Voloire" Last post: Tony Gondola	1	87	3 days ago
Advice on wide-field refractor telescope choice for astrophotography ZWO ASI533MC Pro Equipment Refractors +1 Apr 21, 2026Wandrille VINCENT Last post: AndBergAstro	16	324	4 days ago
6 inch imaging Newtonian choices? Equipment Reflectors Buying Advice Apr 19, 2026Eren Last post: Alex Nicholas	29	527	4 days ago
Using 7nm dual-band Ha/OIII filters on fast f/3.8 systems Equipment CMOS Filters +7 Apr 28, 2026Interactive Sky	0	4	16 hours ago
IMX585 sensor with long focal length (>2000mm) - Can it work? CMOS Equipment Acquisition Apr 20, 2026Kartik Atre Last post: Spacey	16	644	5 days ago
Askar SQA 106/130 vs Stellervue SVX102T Askar SQA106 Askar SQA130 Stellarvue SVX102T +2 Feb 9, 2026Thomas Rider Last post: He PeiDong	6	312	4 days ago
If money was not object what would be your dream astronomy rig and why? Equipment Beginner Intermediate +3 Apr 16, 2026Phi Last post: Juan Manuel	68	1.4k	6 days ago
Project: Over-engineering the AZ-EQ6 / EQ6-R with an EQ8 Pier Tripod Equatorial Mount DIY Apr 15, 2026Jandro.rm Last post: Jandro.rm	6	107	4 days ago
My experience with the AstroFrog FG-17 harmonic drive mount Equatorial Mount Harmonic Mount Apr 24, 2026Ali Alobaidly	0	63	3 days ago
Seti Astro Suite - a mini PixInsight? SetiAstro Statistical Stretch Processing Deep Sky Feb 12, 2025Tony GondolaFrequent contributorExemplary contributor Last post: Gordon Pegue	109	5.1k	7 days ago
Help needed with WO MiniCat 51 tilt issues Han K. Astrometric STAcking Program (ASTAP)William Optics MiniCat 51 WIFD Tilt Apr 24, 2026JeramiePerfect post Last post: DavesView	4	60	4 days ago

Showing 1-50 of 8811