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The Sun
The Sun by Henk Dirven
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Interactive Sky
Dual-band vs. Mono imaging
CMOSAcquisitionDuo-Narrowband +7
Jun 1, 2026Interactive Sky
Last post: Mikołaj Wadowski
Mikołaj Wadowski
AstroGadac
Adam Block
Tony Gondola
Vroobel
46790
5 hours ago
Cassio Pieroni Trevisani (AstroBear)
First Telescope – ASKAR 71F | Any good resources on how to use it?
EquipmentFocuserRefractors +7
Mar 10, 2026Cassio Pieroni Trevisani (AstroBear)
Last post: Robin Bosshard
Robin Bosshard
Ian Frost
SonnyE
Kyle Mason
Eric Gagné
32529
1 hour ago
Wayne Elley
Why galaxy appearance is 'cartoon-like' using PixInsight?
Pleiades Astrophoto PixInsightGalaxy
Jun 2, 2026Wayne Elley
Last post: John Hawk
John Hawk
Alex Nicholas
Alan Brunelle
Norman Hey
bigCatAstro
10507
1 hour ago
Nathalie DB
Bonjour à tous les passionnés d'astronomie.
Off-topicDeep SkyFrançais
Jul 1, 2025Nathalie DB
Last post: Maccawacca
Maccawacca
521.3k
18 hours ago
DavesView
Seeking internal flat black coating recommendations for UltraCat 108 adapter
William Optics Ultra-Cat 108DIY
Oct 28, 2025DavesView
Last post: Pete Bouras
Pete Bouras
andrea tasselli
Riccardo Civati
Mathew Ferreira
John Hayes
21433
6 hours ago
Chris White- Overcast Observatory
You ever had stuck spacers? New tool...
EquipmentFilter Wheel
Dec 22, 2024Chris White- Overcast Observatory
Last post: Andrew Long
Andrew Long
Nico Gärtner
Tony Carro
Gustavo Tandeciarz
JoepsAstronomy
19768
13 hours ago
Christian Silk
FSCT8: Fast 8 Inch Schmidt-Cassegrain Telescope
EquipmentNews
Jun 4, 2026Christian Silk
Last post: Luka Poropat
Luka Poropat
SolarVortex3562
Peter Knappert
Tobiasz
Tony Gondola
11171
1 hour ago
Willem Jan Drijfhout
Hubble palette on OSC, Hb or OIII?
FiltersAcquisitionDuo-Narrowband +3
Jun 2, 2026Willem Jan DrijfhoutPerfect post
Last post: andrea tasselli
Alex Nicholas
Jim Case
Mikołaj Wadowski
andrea tasselli
Tom Boyd
19265
6 minutes ago
Anderl
Broadband Imaging and Moonlight
LRGBLight Pollution
May 25, 2026Anderl
Last post: dkamen
dkamen
Anthony (Tony) Johnson
Tony Gondola
Astro Hopper
Arnie
33813
1 day ago
Ian Frost
Sky Watcher AZ GTI newbie questions
Equatorial MountPolar AlignmentBeginner +1
May 31, 2026Ian FrostNew contributor
Last post: Franco Grimoldi
Franco Grimoldi
Tony Gondola
TiffsAndAstro
AdamSWA
Gary Warnes
20130
13 hours ago
Willem Jan Drijfhout
New PixInsight 1.9.4: overall ~30% faster on Apple Silicon
EquipmentProcessingAstronomy tools +2
May 15, 2026Willem Jan DrijfhoutPerfect post
Last post: Willem Jan Drijfhout
andrea tasselli
Ashraf AbuSara
GalacticRAVE
Paul Sanfilippo
Michael
811.8k
2 days ago
AppalachianAstroworks
Seeking classic 8" Schmidt camera for film astrophotography restoration
EquipmentRefractorsDark Site +3
May 16, 2026AppalachianAstroworks
Last post: AppalachianAstroworks
José Manuel López Arlandis
Tony Gondola
6136
15 hours ago
Ayaz
Complete beginner looking for advice: Entry setup for galaxy imaging
EquipmentAcquisitionDeep Sky
Jun 3, 2026AyazNew contributor
Last post: John Stone
John Stone
TiffsAndAstro
Tony Gondola
569
18 hours ago
Celestron2
Possible collimation issues with SCT
AcquisitionDeep SkyM51 +1
May 31, 2026Celestron2
Last post: Alex Nicholas
Alex Nicholas
Willem Jan Drijfhout
Tony Gondola
Steven Zuhoski
Mihai Barbu
12207
1 day ago
Nick Cesare
Gear recs: Takahashi E-130D/E-160ED as a traveling scope?
EquipmentReflectorsBuying Advice
Jun 2, 2026Nick CesareNew contributor
Last post: andrea tasselli
andrea tasselli
Tony Gondola
Alex Nicholas
Bill McLaughlin
464
1 day ago
Scott Stirling
Pixinsight astrometric annotation catalogs
Pleiades Astrophoto PixInsightAstrometryAdvanced +1
May 31, 2026Scott Stirling
Last post: Scott Stirling
Willem Jan Drijfhout
491
20 hours ago
Thomas Rider
NGC 4288 with long focal length.
AcquisitionRequest for feedbackDeep Sky +2
Jun 4, 2026Thomas Rider
Last post: Thomas Rider
Walter Leonhard Schramböck
225
2 hours ago
rqfugate
Serious Stray Light Issue - William Optics UltraCat 56
William Optics Ultra-Cat 56Artifacts
Mar 1, 2026rqfugate
Last post: Muhammad Mufti
Muhammad Mufti
Bob ten Berge
jaydeepappas
Jeff Reitzel
DavesView
371.2k
2 days ago
Dark Matters Astrophotography
Setting up the E160-ED for Full Frame Imaging
Takahashi Epsilon-160EDEquipmentRefractors
Jul 28, 2022Dark Matters Astrophotography
Last post: Brian
Brian
Seung-Jun Kim
menelmacar
Chris White- Overcast Observatory
Jeff Ridder
1.7k63.6k
5 days ago
jego
Running list of known CDK 14 issues and fixes
Planewave CDK14EquipmentReflectors +1
Apr 21, 2024jego
Last post: Bill McLaughlin
Bill McLaughlin
Stephen
Tony Gondola
Pete Bouras
Willem Jan Drijfhout
401.9k
3 days ago
Bob Anderson
Best focuser options for the UC-108 telescope
PrimaLuceLab SESTO SENSO 2ZWO EAFZWO EAF Pro +4
Jun 4, 2026Bob AndersonNew contributor
Last post: Brian Puhl
Brian Puhl
118
16 hours ago
Wes Schwarz
Askar SQA 130, Sky Rover 130, and William Optic 131 Owners - Back focus Questions
Remote Astrophotography
Jun 1, 2026Wes Schwarz
Last post: Rick Krejci
Rick Krejci
Dcolam
dayglow
Steven Zuhoski
6159
2 days ago
Wayne Elley
CC8 Classical Cassegrain DIY Secondary Mirror Dew Heater
Dew HeaterDIY
May 23, 2026Wayne Elley
Last post: Wayne Elley
Tony Gondola
351
2 days ago
Jerry Gerber
Opening Process Icons with Pixinsight
Pleiades Astrophoto PixInsightHelp Needed
May 26, 2026Jerry GerberPerfect post
Last post: Jerry Gerber
T.Spofford
Robin Bosshard
Quinn Groessl
Ivan Rosenbreyer
chvvkumar
14935
4 days ago
Jan Hlavačka
Chroma filter advice
EquipmentFiltersBuying Advice +1
May 29, 2026Jan Hlavačka
Last post: Ashraf AbuSara
Ashraf AbuSara
Tony Gondola
Bob Lockwood
Christian Hilbert
Willem Jan Drijfhout
20328
3 days ago
Oscar A. Castro-Artola
Seestar S50 Linux control via KStars EKOS INDI Alpaca
ZWO Seestar S50INDI Library EkosKDEdu KStars +4
Jun 3, 2026Oscar A. Castro-ArtolaNew contributor
013
23 hours ago
Nikhil
Upgrading narrowband filters: is it worth switching from 7 mm to 3nm?
FiltersNarrowbandAdvanced +1
May 28, 2026Nikhil
Last post: HR_Maurer
HR_Maurer
Mikołaj Wadowski
Rick Veregin
Rick Krejci
SoDakAstronomyNut
17435
4 days ago
Jerry Gerber
Claude AI on integration time limits for astrophotography
CMOSAcquisition
May 10, 2026Jerry GerberPerfect post
Last post: Arun H
Arun H
Matthew Proulx
Alex Nicholas
John Hayes
C.Sand
291.2k
5 days ago
Bill McLaughlin
Plugin to avoid LEO satellite time?
Astronomy tools
Jun 1, 2026Bill McLaughlinPerfect post
Last post: Tony Gondola
Tony Gondola
174
3 days ago
David Kamchis
Ioptron HEM 27 weird Guiding Issues in Declination
iOptron HEM27 Strain Wave MountiOptron HEM15iOptron HEM27EC +3
May 26, 2026David Kamchis
Last post: Brian Puhl
Brian Puhl
8113
3 days ago
Mossyback
CEM 7O Problem with N.I.N.A.
iOptron CEM70Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Equatorial Mount +1
May 28, 2026Mossyback
Last post: Stuart Markus
Stuart Markus
Rui Horta Lourenço / APAA - Associação Portuguesa de Astrónomos Amadores
Ashraf AbuSara
Richard H
Dale Ghent
13470
4 days ago
Salvatore Iovene
Community tools and Hobby projects
Astronomy tools
Feb 14, 2026Salvatore IoveneAstroBin StaffIOTD StaffExemplary contributor
Last post: MaksPower
MaksPower
Minhong Suh
Vin
Gerald
Christian Brendlin
583k
6 days ago
Vincent TESSIER
Beginner astrophotographer shares first M101 image for feedback
ZWO ASI2600MC ProPleiades Astrophoto PixInsightSky-Watcher HEQ5 PRO +4
Apr 17, 2026Vincent TESSIER
Last post: Tony Gondola
Tony Gondola
Rudolf Unger
starfield
Aloke Palsikar
Mogunda
13547
5 days ago
Apostolos Kyriazis
Pixinsight: No FWHM values on ImageIntegration to control stars' size on OSC camera.
Pleiades Astrophoto PixInsightStar Reduction
May 31, 2026Apostolos Kyriazis
Last post: Apostolos Kyriazis
Scott Badger
272
3 days ago
Halfstar
Seestar S50 time lapse video playback issue help needed
ZWO Seestar S50 ZWO Seestar S50Help Needed
Jun 1, 2026Halfstar
Last post: Tony Gondola
Tony Gondola
123
2 days ago
Steve G
PixInsight 1.9.4 Mac/ARM FITS loading errors with SubframeSelector
Pleiades Astrophoto PixInsightHelp Needed
May 31, 2026Steve GNew contributor
Last post: Steve G
137
3 days ago
John Goodnough
Power station with PD protocol for USB-C 12v remote power
Power SupplyPortable SetupHelp Needed +1
May 30, 2026John GoodnoughNew contributor
Last post: Brian Puhl
Brian Puhl
Tony Gondola
260
4 days ago
astro.hamster
Help needed, is my mount broken?
Help NeededTroubleshooting
May 28, 2026astro.hamster
Last post: Brian Puhl
Brian Puhl
TiffsAndAstro
10235
6 days ago
Tony Gondola
BlurX verses Cosmic Clarity
EquipmentDeconvolutionProcessing +1
May 27, 2026Tony GondolaFrequent contributorExemplary contributor
Last post: Tony Gondola
Beverly Bambury
Rostokko
4336
6 days ago
Interactive Sky
Askar 50P versus SV535 for wide-field nebula imaging setup
ZWO ASI585MCCMOSEquipment +7
May 28, 2026Interactive Sky
Last post: TiffsAndAstro
TiffsAndAstro
Eric Gagné
2106
6 days ago
Paul Campbell
Permanent outdoor telescope setup advice for Northern California climate
Backyard AstrophotographyObservatoryWeather +1
May 27, 2026Paul Campbell
Last post: Paul Campbell
NeilM
Brian Puhl
Tony Gondola
9153
6 days ago
Eric Gagné
Is the so called “60%” rule a thing for strainwave mounts ?
Harmonic MountBuying Advice
May 23, 2026Eric Gagné
Last post: Anthony (Tony) Johnson
Anthony (Tony) Johnson
Michele Campini
Surge
Robert Lagasse
Glenn Mitchell
23694
8 days ago
Interactive Sky
Windows blocking ZWO camera drivers on newer builds
ZWO ASI662MC
May 23, 2026Interactive Sky
Last post: NeilM
NeilM
Nasser Alsolihem
Paul MacAree
Luke Pearson
TiffsAndAstro
17516
7 days ago
Razvan Rautu
Focuser tilt makes me go crazy
FocuserRefractorsHelp Needed +2
May 28, 2026Razvan RautuNew contributor
083
6 days ago
Vincent VdB
New Askar SQA60Pro announced
EquipmentRefractors
May 25, 2026Vincent VdB
Last post: Ashraf AbuSara
Ashraf AbuSara
Rick Krejci
Ali Alhawas
Alex Nicholas
Dan H. M.
7333
8 days ago
oernulfs
Artifacts in stacked images with C9.25 XLT and reducer setup
Equipment
May 18, 2026oernulfs
Last post: Max Ullberg
Max Ullberg
HR_Maurer
Marcin Cikała
Jan Erik Vallestad
Tony Gondola
13202
8 days ago
Interactive Sky
ZWO AM3N vs. Sky Watcher Wave 100i
Sky-Watcher Wave 100iEquipmentGoTo +7
May 2, 2026Interactive Sky
Last post: Michael von Berner-Purgstall
Michael von Berner-Purgstall
Nikguy
Franco Grimoldi
4248
7 days ago
Craig Bernier
New Charles Bracken Book Weighs in at Six Pounds!
BeginnerIntermediateAstronomy tools +2
Apr 23, 2026Craig Bernier
Last post: Charles Bracken
Charles Bracken
Javier Temprano
Paul Sanfilippo
Patrick
Isbel Gonzalez
401.1k
9 days ago
Mihai Barbu
Greetings from Romania
RefractorsRitchey-ChrétienDark Site +5
May 28, 2026Mihai Barbu
Last post: SkyHoinar
SkyHoinar
140
7 days ago
Jake Turner
Per-Sub Background Removal Follow-Up and Scripts
Pleiades Astrophoto PixInsightProcessing
May 27, 2026Jake Turner
Last post: Jake Turner
Tony Gondola
2117
7 days ago
Showing 1-50 of 8875