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NGC 3503
NGC 3503 by Wolfgang
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Tony Gondola
Are we at the limit?
EquipmentAdvancedAstronomy tools
Jun 8, 2026Tony GondolaFrequent contributorExemplary contributor
Last post: Steven Fanutti
Steven Fanutti
CaptnCook
Jeff Bennett
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45938
7 hours ago
Jerry Gerber
Mini PC, fan or fanless?
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Aug 31, 2025Jerry GerberPerfect post
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Wayne Elley
Ed Dixon
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641.6k
10 hours ago
Dionito
ASI 533MC Pro USB hub connection failures with multiple devices
ZWO ASI533MC ProEquipmentHelp Needed +1
Jun 5, 2026DionitoNew contributor
Last post: Dionito
Eric Dreher
Starchasm
alpheratz06
JAKarambela
AndBergAstro
35400
5 hours ago
Ali Alobaidly
ToupTek is getting closer to breaking the monopoly (StellaVita 2.0))
ToupTek StellaVitaEquipment
Feb 9, 2026Ali Alobaidly
Last post: Darryl Ackerman
Darryl Ackerman
FredAstro
Eric Gagné
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Tony Gondola
571.9k
1 day ago
darkdesertdome
Mining company threatens dark skies and remote telescope facilities in S.W. New Mexico / S.E. Arizona
Dark SiteLight PollutionRemote Astrophotography +1
Jun 7, 2026darkdesertdome
Last post: darkdesertdome
Marshall Huang
abaxworld5000
mzaslove
Darryl Ackerman
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13393
3 hours ago
Michael W. Dean
TECH QUESTION FOR SOLAR PHOTOGRAPHY EXPERTS
ProcessingStretchingArtifacts +2
Jun 5, 2026Michael W. Dean
Last post: Michael W. Dean
LLichter
dan baldwin
Vin
Tony Gondola
13186
10 hours ago
Christian Silk
FSCT8: Fast 8 Inch Schmidt-Cassegrain Telescope
EquipmentNews
Jun 4, 2026Christian Silk
Last post: chvvkumar
chvvkumar
andrea tasselli
Peter Knappert
Alex Nicholas
James
19465
18 hours ago
Gordon Pegue
Should I even try?
Processing
Jun 5, 2026Gordon Pegue
Last post: Mark Theissen
Mark Theissen
Jim Raskett
Quinn Groessl
Willem Jan Drijfhout
Brian Puhl
10457
15 hours ago
Terrance
How do you manage your cables?
EquipmentPower SupplyDIY +4
Jun 5, 2026Terrance
Last post: Aloke Palsikar
Aloke Palsikar
bigCatAstro
John Hayes
Bill McLaughlin
Tony Gondola
14417
1 day ago
Eric Gagné
What Time do you start shooting ?
Acquisition
May 12, 2026Eric Gagné
Last post: Jerry Gerber
Jerry Gerber
Gary Warnes
Wei-Hao Wang
Anthony (Tony) Johnson
TimW
27707
1 day ago
Igor Fulvi
Achieving smaller star sizes: focus, guiding, or atmospheric seeing?
Sky-Watcher Star Adventurer GTiZWO ASIAIR MiniSeeing Conditions
May 23, 2026Igor Fulvi
Last post: Tony Gondola
Tony Gondola
Scott Badger
andrea tasselli
12223
17 hours ago
Iris
Askar 71F with camera recommendations needed!
Askar 71F APOEquipmentBeginner +2
Jun 9, 2026Iris
Last post: Iris
Franco Grimoldi
Eric Gagné
Interactive Sky
Tony Gondola
577
7 hours ago
Thomas Rider
NGC 4288 with long focal length.
AcquisitionRequest for feedbackDeep Sky +2
Jun 4, 2026Thomas Rider
Last post: Brian Carter
Brian Carter
Reg Pratt
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8117
10 hours ago
Razvan Rautu
Focuser tilt makes me go crazy
FocuserRefractorsHelp Needed +2
May 28, 2026Razvan Rautu
Last post: Razvan Rautu
alpheratz06
2129
12 hours ago
Jasmine C
ASTRONOMY STUDENT IN-NEED !
ProcessingDeep SkyAstronomy tools +2
May 18, 2026Jasmine C
Last post: Mark Theissen
Mark Theissen
V
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Obbe J
NeilM
7382
1 day ago
Hassaan Zaheer
Is the Quattro 200P Too Perfect to Discuss? Or Are We Just Tired of Collimating?
Sky-Watcher Quattro 200PReflectorsBeginner +2
Jun 10, 2026Hassaan Zaheer
Last post: Hassaan Zaheer
ValeryL
andrea tasselli
413
30 minutes ago
Scott Stirling
Pixinsight astrometric annotation catalogs
Pleiades Astrophoto PixInsightAstrometryAdvanced +1
May 31, 2026Scott Stirling
Last post: Scott Stirling
Paul Puntin
Willem Jan Drijfhout
13203
1 day ago
Ben Jansen
Altair 3.5nm vs Antlia ALP-T 3nm Dual Band Filters…?
EquipmentFiltersDuo-Narrowband +3
Jun 9, 2026Ben JansenNew contributor
Last post: Brian Carter
Brian Carter
andrea tasselli
255
11 hours ago
Paul Campbell
"Lucky" imaging for galaxies
EquipmentReflectorsBackyard Astrophotography +2
Jun 10, 2026Paul Campbell
Last post: Paul Campbell
Tony Gondola
236
5 hours ago
Eric Gagné
Stellavita in remote obs ?
ToupTek StellaVitaRemote Astrophotography
Jun 7, 2026Eric Gagné
Last post: Eric Gagné
Stelios_Stergiou
Walter Leonhard Schramböck
371
16 hours ago
Bob Anderson
Best focuser options for the UC-108 telescope
PrimaLuceLab SESTO SENSO 2ZWO EAFZWO EAF Pro +4
Jun 4, 2026Bob AndersonNew contributor
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Brian Puhl
347
19 hours ago
Rabeea Alkuwari
Sensor FWHM readings versus actual sub FWHM values
Dark SiteRemote AstrophotographySeeing Conditions +1
Jun 7, 2026Rabeea Alkuwari
Last post: Bill McLaughlin
Bill McLaughlin
andrea tasselli
5130
1 day ago
Interactive Sky
Dual-band vs. Mono imaging
CMOSAcquisitionDuo-Narrowband +7
Jun 1, 2026Interactive Sky
Last post: chvvkumar
chvvkumar
Mikołaj Wadowski
andrea tasselli
AstroGadac
Adam Block
511.1k
3 days ago
Ethan Sweet
Pixinsight process icons disappearing randomly from workspace
Pleiades Astrophoto PixInsight
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Last post: andrea tasselli
andrea tasselli
15
1 hour ago
Nathalie DB
Bonjour à tous les passionnés d'astronomie.
Off-topicDeep SkyFrançais
Jul 1, 2025Nathalie DB
Last post: Nathalie DB
Maccawacca
531.3k
3 days ago
vikas chander
NINA - start, stop and pause with SAFE conditions
Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)SequencingRemote Astrophotography
Apr 30, 2024vikas chander
Last post: Jerry Yesavage
Jerry Yesavage
John Stone
Timothy Martin
ajobacho
Brian Valente
422.5k
4 days ago
dan baldwin
Autostakkert4 and SER
Stacking
Jun 9, 2026dan baldwinNew contributor
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Tom Bash
120
18 hours ago
Björn Arnold
For what steps do you use Affinity Photo?
Affinity Photo for Astrophotography users Serif Affinity PhotoProcessingStacking
Jun 11, 2021Björn ArnoldPerfect post
Last post: Gustav Lundby
Gustav Lundby
Michael Bate
Tommy Mastro
Prea
6270
2 days ago
Eric Gagné
Is the so called “60%” rule a thing for strainwave mounts ?
Harmonic MountBuying Advice
May 23, 2026Eric Gagné
Last post: TimW
TimW
Anthony (Tony) Johnson
Michele Campini
Surge
Robert Lagasse
26748
3 days ago
Jerry Gerber
Powering On/Off 10MicronGM1000 mount (not version 3)
10Micron GM1000 HPS
Jun 8, 2026Jerry GerberPerfect post
032
1 day ago
Alex Nicholas
My first six months with the Sharpstar 15028HNT-AL - A trial by fire!
Fast Newtonians Sharpstar 15028HNTCollimationReview
Mar 4, 2026Alex NicholasFrequent contributor
Last post: Alex Nicholas
John Hayes
John Tucker
Brent
Tony Gondola
SonnyE
14536
4 days ago
Michael W. Dean
AZASTROGUY (Mark Johnston)'s "The Solar Observer’s Handbook" is out
Astronomy toolsBook RecommendationsHow-to +1
Jun 9, 2026Michael W. Dean
014
1 day ago
Rayzrastrophoto
The Wonders of Our Universe Belong to All: A Petition To Reduce Light Pollution
Light PollutionUrban AstronomyOutreach
Jun 7, 2026RayzrastrophotoNew contributor
054
2 days 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
12646
5 days ago
Luke Pearson
ASI driver blocked?
EquipmentPlanetary CameraHelp Needed +1
May 23, 2026Luke Pearson
Last post: Rick Veregin
Rick Veregin
Tony Gondola
Walter Leonhard Schramböck
TiffsAndAstro
11205
4 days 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: Ian Frost
Ian Frost
Robin Bosshard
SonnyE
Kyle Mason
Eric Gagné
33556
5 days ago
Eren
6 inch imaging Newtonian choices?
EquipmentReflectorsBuying Advice
Apr 19, 2026Eren
Last post: Alex Nicholas
Alex Nicholas
Jean Barba
Mike Bagley
Tony Gondola
andrea tasselli
31612
5 days ago
Ian Frost
Sky Watcher AZ GTI newbie questions
Equatorial MountPolar AlignmentBeginner +1
May 31, 2026Ian Frost
Last post: Ian Frost
Franco Grimoldi
Tony Gondola
TiffsAndAstro
AdamSWA
Gary Warnes
21154
5 days ago
Willem Jan Drijfhout
Hubble palette on OSC, Hb or OIII?
FiltersAcquisitionDuo-Narrowband +3
Jun 2, 2026Willem Jan DrijfhoutPerfect post
Last post: Mikołaj Wadowski
Mikołaj Wadowski
andrea tasselli
Jordan Morley
Alex Nicholas
Jim Case
22342
5 days ago
Nicola Bertellini
Astrofotography trip to Tenerife: choosing between Optolong and Antlia filters
ZWO ASI2600MM ProiOptron HAE69Filter Wheel +3
Jun 5, 2026Nicola Bertellini
Last post: Nicola Bertellini
Massimiliano F. - Alnitak the Star
andrea tasselli
Tony Gondola
883
4 days ago
Ayaz
Complete beginner looking for advice: Entry setup for galaxy imaging
EquipmentAcquisitionDeep Sky
Jun 3, 2026AyazNew contributor
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Dave Stirling
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TiffsAndAstro
Tony Gondola
8142
5 days ago
DavesView
Seeking internal flat black coating recommendations for UltraCat 108 adapter
William Optics Ultra-Cat 108DIY
Oct 28, 2025DavesView
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Pete Bouras
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Riccardo Civati
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21443
5 days ago
Chris White- Overcast Observatory
You ever had stuck spacers? New tool...
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Andrew Long
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Tony Carro
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19791
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Anderl
Broadband Imaging and Moonlight
LRGBLight Pollution
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Last post: dkamen
dkamen
Anthony (Tony) Johnson
Tony Gondola
Astro Hopper
Arnie
33822
7 days ago
AppalachianAstroworks
Seeking classic 8" Schmidt camera for film astrophotography restoration
EquipmentRefractorsDark Site +3
May 16, 2026AppalachianAstroworks
Last post: José Manuel López Arlandis
José Manuel López Arlandis
Tony Gondola
7152
5 days ago
Willem Jan Drijfhout
New PixInsight 1.9.4: overall ~30% faster on Apple Silicon
EquipmentProcessingAstronomy tools +2
May 15, 2026Willem Jan DrijfhoutPerfect post
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andrea tasselli
Ashraf AbuSara
GalacticRAVE
Paul Sanfilippo
Michael
811.8k
7 days ago
Interactive Sky
High-speed optimized LRGB filters for RASA and HyperStar systems
EquipmentFiltersBroadband +7
Jun 4, 2026Interactive Sky
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Tony Gondola
233
5 days ago
Nick Cesare
Gear recs: Takahashi E-130D/E-160ED as a traveling scope?
EquipmentReflectorsBuying Advice
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andrea tasselli
Tony Gondola
Alex Nicholas
Bill McLaughlin
474
6 days 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
12213
7 days ago
rqfugate
Serious Stray Light Issue - William Optics UltraCat 56
William Optics Ultra-Cat 56Artifacts
Mar 1, 2026rqfugate
Last post: Muhammad Mufti
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Showing 1-50 of 8894