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Virgo Cluster – Virgo Galaxy Cluster by Dr. Claus Possberg

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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: Tareq Abdulla	151	5.4k	7 hours ago
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	15 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	20 hours ago
New Charles Bracken Book Weighs in at Six Pounds! Beginner Intermediate Astronomy tools +2 Apr 23, 2026Craig Bernier Last post: Brian Boyle	20	448	1 hour ago
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	744	9 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	296	2 hours ago
Serious Stray Light Issue - William Optics UltraCat 56 William Optics Ultra-Cat 56 Artifacts Mar 1, 2026rqfugate Last post: Jeff Reitzel	31	859	3 minutes ago
Changes to PixInsight forum ???? Pleiades Astrophoto PixInsight Apr 25, 2026Eric GagneFrequent contributor Last post: Rodolphe Goldsztejn	19	567	20 minutes ago
New friction drive mount by Twinstar - Cuby45 Equatorial Mount News Mar 18, 2026Samuel Müller Last post: Samuel Müller	2	180	Mar 18, 2026
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	128	Jan 9, 2026
Solar H-alpha close-up views Filip Szczerek ImPPG (Image Post-Processor)Processing Stacking +2 Apr 20, 2026Olivier GirardNew contributor Last post: GreatAttractor	12	267	14 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: Tareq Abdulla	6	66	2 hours 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 Apr 22, 2026Jim Raskett Last post: Jim Raskett	7	369	20 hours ago
QHY Minicam8 blue halo QHYCCD miniCAM8M Feb 20, 2026Olivier G Last post: Alex Nicholas	12	225	1 day ago
Integrating Science and Astrophotography General Science Physics Citizen Science Jan 22, 2026David Payne	0	173	Jan 22, 2026
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	265	19 hours ago
Processing tips for moon composite Adobe Photoshop HDR Processing +2 Apr 25, 2026Paul Sanfilippo Last post: Paul Sanfilippo	5	80	12 hours ago
沙发 Clearsky ST32 Sep 10, 2025jiaze Fu Last post: Wes Schwarz	3	127	10 hours 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	61	13 hours ago
Off-Centre image circle on Newtonian Sky-Watcher Explorer 150PDS Apr 27, 2026John Walsh Last post: Alex Nicholas	3	19	26 minutes 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	109	14 hours 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: Jozef Bodden	3	35	2 hours ago
Unknown (to me) object in M44 Acquisition Deep Sky Help Needed +2 Apr 23, 2026Alex Penzias Last post: Alex Penzias	9	359	1 day 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	29	15 hours ago
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QHY Polemaster adapter compatibility with Astro-Physics Mach1 GTO Astro-Physics Mach1 GTO Apr 24, 2026Jeff Bennett Last post: ItsMeAstro	7	68	1 day ago
Struggling to improve my telescope guiding performance Guiding Feb 20, 2026Jeff Dyben Last post: Phil Bordelon	14	388	2 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	79	1 day ago
Is Touptek coming up with a mount? Harmonic Mount Apr 25, 2026Eric GagneFrequent contributor Last post: Alex Nicholas	2	57	1 day ago
Advice on wide-field refractor telescope choice for astrophotography ZWO ASI533MC Pro Equipment Refractors +1 Apr 21, 2026Wandrille VINCENT Last post: AndBergAstro	16	321	2 days ago
6 inch imaging Newtonian choices? Equipment Reflectors Buying Advice Apr 19, 2026Eren Last post: Alex Nicholas	29	522	3 days ago
IMX585 sensor with long focal length (>2000mm) - Can it work? CMOS Equipment Acquisition Apr 20, 2026Kartik Atre Last post: Spacey	16	638	3 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	309	3 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	4 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	105	2 days ago
My experience with the AstroFrog FG-17 harmonic drive mount Equatorial Mount Harmonic Mount Apr 24, 2026Ali Alobaidly	0	58	2 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	5 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	54	2 days ago
Askar 151PHQ or Sky-Watcher Esprit 150EDX? Equipment Apr 24, 2026Photon_Collector Last post: SonnyE	1	76	2 days ago
Best value focuser/rotator for TOA-130NS? Takahashi TOA-130 Refractors Focuser +1 Feb 23, 2025John Stone Last post: Antonio Parisi	22	535	4 days ago
The first simulated image of a black hole, calculated with an IBM 7040 computer using 1960 punch cards Beginner Artifacts Apr 23, 2026Prajwal SNew contributor Last post: V	2	113	3 days 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: Craig Towell	5	72	3 days ago
Antlia V-Pro LRGB & 3nm Highspeed Filters – Performance on fast optics / Epsilon 160? Antlia 3nm Narrowband H-alpha Pro Highspeed 2"Antlia 3nm Narrowband Oxygen III Pro Highspeed 2"Antlia 3nm Narrowband Sulfur II Pro Highspeed 2" +1 Apr 21, 2026Brian Last post: Eli Perelman	14	167	4 days ago
Help needed with registering!!! ZWO ASI662MC Siril Team Siril Processing +6 Apr 21, 2026Interactive Sky Last post: Tony Gondola	3	63	3 days ago
Cylindrical Projection Software Processing Astronomy tools How-to +1 Apr 22, 2026Steven Fanutti Last post: Willem Jan Drijfhout	2	55	3 days ago
New version of Python script to generate target acquisition.csv file from image files in a format suitable for upload using AstroBin's upload csv dialogue Acquisition Processing Deep Sky Feb 12, 2024Steve Greaves Last post: coronalite	18	1.1k	5 days ago
Dithering mit N.I.N.A. und MGEN-3 Lacerta MGEN-3 standalone autoguider Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Dithering Apr 21, 2026Franz JungerNew contributor Last post: Tony Gondola	3	341	5 days ago
Narrowband Processing With Pixinsight Scripts News Apr 22, 2026Dave Stearn	0	73	4 days ago
Beginner astrophotographer shares first M101 image for feedback ZWO ASI2600MC Pro Pleiades Astrophoto PixInsight Sky-Watcher HEQ5 PRO +4 Apr 17, 2026Vincent TESSIER Last post: Vincent TESSIER	11	438	6 days ago

Showing 1-50 of 8804