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Abell 39 - June 2026 by Adam Drake

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A comparison of BXT/NXT vs SyQon Russell Croman Astrophotography NoiseXTerminator Jun 15, 2026Daniel J. Givens Last post: Kyle Goodwin	22	993	5 hours ago
Pixinsight astrometric annotation catalogs Pleiades Astrophoto PixInsight Astrometry Advanced +1 May 31, 2026Scott Stirling Last post: Scott Stirling	19	318	1 hour ago
Askar SQA 106/130 vs Stellervue SVX102T Askar SQA106 Askar SQA130 Stellarvue SVX102T +2 Feb 9, 2026Thomas Rider Last post: DavesView	8	409	4 hours ago
Astrophotography Beginner Equipment Beginner Jun 10, 2026Alfie Ratty Last post: Chuck Korenic	8	164	5 hours ago
Cuiv on central obstruction Equipment Reflectors Optics Jun 21, 2026Tony GondolaFrequent contributorExemplary contributor Last post: Kyle Goodwin	2	317	4 hours ago
Tracking and guiding accuracy iOptron HAE69C EC Harmonic Mount Equatorial Mount Mar 9, 2025Tobiasz Last post: Wes Schwarz	4	257	7 hours ago
MARS DR2 Release for Pixinsight MSGC Pleiades Astrophoto PixInsight Background Extraction Gradient Removal +3 Jun 22, 2026AstroGadac Last post: AstroGadac	6	107	3 hours ago
Doubled stars in unguided 10Micron GM1000 tracking Guiding Jun 22, 2026Jerry GerberPerfect post Last post: Kyle Goodwin	8	144	4 hours ago
Halo issues with L extreme filter on Skyrover 90SAP setup Filters Artifacts Troubleshooting Jun 18, 2026Swee Sin EngNew contributor Last post: Swee Sin Eng	13	140	23 hours ago
Celestron GPS11 with fungus Reflectors Backyard Astrophotography Jun 19, 2026Paul Campbell Last post: Paul Campbell	9	162	23 hours ago
Seestar S50 Linux control via KStars EKOS INDI Alpaca ZWO Seestar S50 INDI Library Ekos KDEdu KStars +4 Jun 3, 2026Oscar A. Castro-Artola Last post: Wouter van Reeven	2	50	2 hours ago
OCAL 4.0 Collimator & MacBook Pro a non starter? Sharpstar 13028HNT Collimation Help Needed Jun 14, 2026JTSAN Last post: TiffsAndAstro	2	76	17 hours ago
Roll Off Roof Problem Astronomy tools Jun 21, 2026Mossyback Last post: Tony Gondola	3	104	1 day ago
Diagnostic Help: Progressive Frame Drift Despite Active Autoguiding Open PHD Guiding Project PHD2 Deep Sky Nebula +1 Jun 17, 2026YkoNew contributor Last post: Tony Gondola	37	315	2 days ago
Is the so called “60%” rule a thing for strainwave mounts ? Harmonic Mount Buying Advice May 23, 2026Eric Gagné Last post: TimW	34	950	3 days ago
Remember when??? Acquisition Artifacts Satellite Jun 11, 2026Jeffery Richards Last post: Tony Gondola	45	839	3 days ago
NINA Safety monitor doesn't reflect safe/unsafe state once connected to Lunatico AAG CW safety driver Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)The ASCOM Initiative ASCOM Troubleshooting Jun 17, 2026Frédéric Ruciak Last post: Frédéric Ruciak	8	275	2 days ago
Is this dew? Troubleshooting Jun 17, 2026SkyHoinar Last post: Scott Badger	12	271	2 days 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: Paul Larkin	47	1k	4 days ago
EAF on minicat51 de WO ZWO EAF Focuser Refractors +2 Jun 20, 2026Lalo Juarez Last post: Lalo Juarez	2	37	2 days ago
Red halo in the brightness stars. UV/IR Cut Help Needed Troubleshooting Jun 20, 2026Lalo Juarez	0	43	2 days ago
Mining company threatens dark skies and remote telescope facilities in S.W. New Mexico / S.E. Arizona Dark Site Light Pollution Remote Astrophotography +1 Jun 7, 2026darkdesertdome Last post: darkdesertdome	40	930	4 days ago
I built a free tool to generate Messier & Caldwell catalogs posters Acquisition Deep Sky Messier Objects +1 Sep 11, 2025Sylvain Villet Last post: rmatscott	7	434	4 days ago
Look Ma, No Clips! Equipment Reflectors DIY Jun 19, 2026andrea tasselliFrequent contributor Last post: Tony Gondola	1	138	3 days ago
Hello to all astronomy enthusiasts. Off-topic Deep Sky Français Jul 1, 2025Nathalie DB Last post: Nathalie DB	56	1.4k	5 days ago
Hello everyone there are some images captured by me. from my F30070M, 70mm refractor telescope using 3x barlow and 20mm eyepiece and phone camera Acquisition Solar System Galaxy +1 Jun 18, 2026yash0661New contributor Last post: Tony Gondola	1	97	3 days ago
Stacked SII image shows wave pattern noise at 1200s exposure Acquisition Deep Sky M27 +2 Jun 17, 2026jujumasterNew contributor Last post: Tony Gondola	23	249	4 days ago
New Script: PhotometricContinuumSubtraction -- Pixinsight Pleiades Astrophoto PixInsight Processing Narrowband +1 Oct 2, 2024Charles HagenIOTD Staff Last post: Dmitry Makolkin	49	5.4k	6 days ago
Deep-sky performance difference of 585MC-Air vs. 533MC-Pro? ZWO ASI533MC Pro ZWO ASI585MC AIR ZWO ASI585MC Pro +1 Jun 18, 2026Phil Creed Last post: Tony Gondola	8	138	4 days ago
ToupTek is getting closer to breaking the monopoly (StellaVita 2.0)) ToupTek StellaVita Equipment Feb 9, 2026Ali Alobaidly Last post: Tony Gondola	64	2.1k	6 days ago
Differential Flexure Guiding Troubleshooting Jun 14, 2026Tony GondolaFrequent contributorExemplary contributor Last post: Tony Gondola	11	233	5 days ago
Community tools and Hobby projects Astronomy tools Feb 14, 2026Salvatore IoveneAstroBin StaffIOTD StaffExemplary contributor Last post: samuel krieger	62	3.2k	7 days ago
Best practice for preventing moisture damage Equipment Troubleshooting Apr 29, 2026Mark Worthington Last post: Jean Barba	7	168	5 days ago
Frustration with U-C 108 tilt adapter system reliability issues William Optics Ultra-Cat 108 Tilt Jun 18, 2026Bob Anderson Last post: DavesView	1	66	4 days ago
Why do my stacked Seestar S50 M57 histograms show such a sharp lower cutoff before stretching? ZWO Seestar S50 Siril Team Siril Stacking +3 Jun 16, 2026Claudio Pedrazzi Last post: Jeff Parke	8	167	5 days ago
How to install SyQon Prism & Parallax in PixInsight (and fix "no updates available") Pleiades Astrophoto PixInsight Astronomy tools How-to Jun 12, 2026Arun Vijay Last post: Charlie Forbes	2	126	5 days ago
ASI 533MC Pro USB hub connection failures with multiple devices ZWO ASI533MC Pro Equipment Help Needed +1 Jun 5, 2026Dionito Last post: Dionito	37	503	7 days ago
Mosaic mode acquisition time in the Pro SeeStar S30 Pro Acquisition Mosaic Jun 18, 2026Dyan SwenningNew contributor	0	24	4 days ago
My first real Milky Way Request for feedback Jun 15, 2026Antton CHEVRIER Last post: Antton CHEVRIER	7	82	6 days ago
Inconsistency between NINA TTPA / reported PA by 10micron mount and wht PHD2 guiding assitant says Open PHD Guiding Project PHD2 Equatorial Mount Polar Alignment +1 Jun 12, 2026Frédéric Ruciak Last post: Willem Jan Drijfhout	9	234	7 days ago
Pixinsight process icons disappearing randomly from workspace Pleiades Astrophoto PixInsight Jun 10, 2026Ethan Sweet Last post: Ethan Sweet	7	86	6 days ago
Mini PC, fan or fanless? Equipment Remote Astrophotography Aug 31, 2025Jerry GerberPerfect post Last post: Dale Ghent	66	1.7k	8 days ago
Minimum latitude for the Celestron AVX Celestron Advanced VX Equatorial Mount Beginner Jun 17, 2026Arthur IyoNew contributor Last post: Tony Gondola	1	9	4 days ago
What quick-change adapter to get? Astro-Tech AT130EDT Equipment Flattener Focuser +3 Jun 15, 2026Michael W. Dean Last post: SonnyE	3	47	6 days ago
Issue with Deformed Stars Equipment Refractors Optics +3 Jun 14, 2026Steven Zuhoski Last post: andrea tasselli	8	159	7 days ago
ASIAIR Autorun sequence changed behavior between filter selections ZWO ASIAIR Plus Sequencing Troubleshooting Jun 17, 2026Niels_L	0	23	5 days ago
OAG for a Askar 71f, 48mm or 54mm ToupTek OAG Refractors Beginner +1 Jun 16, 2026Ian Frost	0	25	6 days ago
Solar observing/imaging - interested in your experience. Solar Filter Sun Jun 13, 2026Paul Sanfilippo Last post: AdAstraAnimadverto	8	155	8 days ago
OAG Cost for C8 Equipment Reflectors Backyard Astrophotography +1 Jun 12, 2026Paul Campbell Last post: Jaume Benet	20	202	8 days ago
safety monitor looks like connected to Lunatico AAG CWbut never catch the safe status The ASCOM Initiative ASCOM Equipment Observatory +3 Jun 17, 2026Frédéric Ruciak	0	5	5 days ago

Showing 1-50 of 8936