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IC 433
IC 433 by Aitor Castillo
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D. Jung
AstroArt Store experience
Off-topic
Oct 2, 2023D. Jung
Last post: gigaklatch
gigaklatch
Tony Gondola
Ardje
RobertM
Ezra Salazar
1418.9k
Nov 26, 2025
John Tucker
So an F/4 Newt isn't really faster than an F/10 SCT???
BinningOpticsRequest for feedback
Mar 8, 2026John TuckerFrequent contributorPerfect post
Last post: Kay Ogetay
John Hayes
Craig Towell
Arun H
Tony Gondola
Andrew
381k
16 minutes ago
Alexander Bouwman
Any suggestions: trouble achieving sharp focus with Edge HD
Celestron EdgeHD 8"
Mar 9, 2026Alexander Bouwman
Last post: Razvy
Razvy
Tony Gondola
bobtobb
Andrew Klinger
Trent Spofford
39516
1 hour ago
Mark McComiskey
The How and Why of Superluminance
ProcessingLRGBLuminance +3
Mar 7, 2026Mark McComiskey
Last post: Mark McComiskey
Scott Badger
Joseph Biscoe IV
Tony Gondola
John Hayes
Charles Michaud
31593
2 hours ago
Eren
First Astrocamera - ToupTek ATR585M mono kit or ToupTek ATR2600C color camera?
EquipmentBuying Advice
Mar 9, 2026ErenNew contributor
Last post: Tony Gondola
Tony Gondola
Stelios_Stergiou
Frédéric Ruciak
nadz11.ns
TiffsAndAstro
27292
2 hours ago
Lukas Bauer
Gradient in dark frames
Bias FramesCalibrationDark Frames +2
Mar 5, 2026Lukas Bauer
Last post: Lukas Bauer
Herbert_West
andrea tasselli
SonnyE
Tony Gondola
Rick Krejci
30431
5 hours ago
Jandro.rm
ESPRIT 100 + RICCARDI 0.75 REDUCER BACKFOCUS ADJUSTMENT. CRAZIEST!
Sky-Watcher Esprit 100EDZWO ASI2600MC ProReducer +1
May 29, 2025Jandro.rm
Last post: John Stone
John Stone
Dcolam
Alex G
Olivier Constans
Max Kuster
381.7k
1 day ago
Pariah
Fornax LT2 Review
Fornax LighTrack IISky-Watcher Star AdventurerStar Tracker +2
Jul 1, 2023Pariah
Last post: Simone Scarpa
Simone Scarpa
GTom
Arun H
Brian Fulda
andrea tasselli
15630
14 hours ago
Cassio Pieroni Trevisani
First Telescope – ASKAR 71F | Any good resources on how to use it?
EquipmentFocuserRefractors +7
Mar 10, 2026Cassio Pieroni TrevisaniNew contributor
Last post: Cassio Pieroni Trevisani
bigCatAstro
Robin Bosshard
Ethan Sweet
Tony Gondola
SonnyE
14122
3 hours ago
Cameron Stout
Bright band at bottom of images with Canon 6D
Pleiades Astrophoto PixInsightDSLRHelp Needed +1
Mar 8, 2026Cameron Stout
Last post: Cameron Stout
bigCatAstro
SonnyE
Tony Gondola
andrea tasselli
Miesilmannimea
10118
4 hours ago
Vin
Mysterious U-shaped structure near NGC 2477 and NGC 2546?
AcquisitionDeep SkyHelp Needed +1
Mar 9, 2026Vin
Last post: SonnyE
SonnyE
4217
8 hours ago
John Tucker
Has anybody looked into this low-priced Aussie hosting site?
Harmonic MountDark SiteRemote Astrophotography
Mar 10, 2026John TuckerFrequent contributorPerfect post
Last post: Dunk
Dunk
Médéric Hébert
3134
3 hours ago
Paul Leibinger
The Pinwheel Galaxy
Sky-Watcher Esprit 100ED
Mar 7, 2026Paul LeibingerNew contributor
Last post: Paul Leibinger
Seizal Bong
SonnyE
4158
11 hours ago
N Patten
Need help diagnosing distortions
Apertura 8" f/4 Imaging NewtonianReflectorsCollimation +2
Jan 6, 2026N Patten
Last post: N Patten
Seizal Bong
V
andrea tasselli
4136
9 hours ago
Salvatore Iovene
Community tools and Hobby projects
Astronomy tools
Feb 14, 2026Salvatore IoveneAdminIOTD StaffFrequent contributorExemplary contributor
Last post: Tony Gondola
Tony Gondola
Brent
Interactive Sky
akshay87kumar
Alain ESCAFFRE
281.2k
2 days ago
David Payne
Integrating Science and Astrophotography
General SciencePhysicsCitizen Science
Jan 22, 2026David Payne
092
Jan 22, 2026
Jakub Mysluk
How to Make an good astronomical mount with the EQ8-R (or ORION HD110) using Shibumi Astro Kits (long post with photos)
Sky-Watcher EQ8-RDIYReview
Mar 10, 2026Jakub MyslukNew contributor
Last post: Tony Gondola
153
10 minutes ago
Leonardo Landi
[RCC] My very first IOTD
Request for feedbackM33
Mar 3, 2026Leonardo Landi
Last post: Gamaholjad
Gamaholjad
ktastro
Georg N. Nyman
Joseph Biscoe IV
Arun H
12848
1 day ago
Dark Matters Astrophotography
Setting up the E160-ED for Full Frame Imaging
Takahashi Epsilon-160EDEquipmentRefractors
Jul 28, 2022Dark Matters Astrophotography
Last post: menelmacar
menelmacar
Antonio Parisi
Brian
mzaslove
Jeff Ridder
1.7k62.9k
5 days ago
Shaunak Bellubbi
The flame nebula
Nebula
Mar 10, 2026Shaunak BellubbiNew contributor
Last post: Ethan Sweet
Ethan Sweet
Interactive Sky
270
6 hours ago
Photon_Collector
Looking for big aperture astrograph
EquipmentRitchey-ChrétienAcquisition +6
Mar 3, 2026Photon_Collector
Last post: JohnAdastra
JohnAdastra
John Hayes
Sergey Rakov
Bill McLaughlin
Tobiasz
20670
2 days ago
bobtobb
Collimation; "confirm with a star test at night". Wat!
TS-Optics 250mm/10" f/8 Ritchey-Chrétien Astrograph (truss)ReflectorsCollimation +2
Feb 12, 2026bobtobb
Last post: Tony Gondola
Tony Gondola
Aaron Hakala
Glenn Baxter
Tobiasz
Rainer Ehlert
22564
2 days ago
Wayne Elley
Telescope Mirror Cleaning
Equipment
Aug 10, 2025Wayne Elley
Last post: John Hayes
John Hayes
John Tucker
Dave Erickson
Bill McLaughlin
Tobiasz
14564
2 days ago
Christian Bennich
Shifting primary mirror
EquipmentReflectorsIntermediate +2
Mar 6, 2026Christian Bennich
Last post: Craig Towell
Craig Towell
Dan_I
andrea tasselli
Tony Gondola
Seizal Bong
12230
1 day ago
Tony Gondola
Seti Astro Suite - a mini PixInsight?
SetiAstro Statistical StretchProcessingDeep Sky
Feb 12, 2025Tony GondolaFrequent contributorExemplary contributor
Last post: John Tucker
John Tucker
Carl Gulbish
Gregg Kamilar
CosmoNutz Astrophotography
Georg N. Nyman
1085k
3 days ago
Eric Gagne
Stellavita app 2.0
ToupTek StellaVitaEquipment
Jan 27, 2026Eric GagneFrequent contributor
Last post: Eric Gagne
193
1 day ago
John Tucker
Request for recommendations for a mid-low priced 600-800 mm refractor
EquipmentRefractorsIntermediate +1
Feb 3, 2026John TuckerFrequent contributorPerfect post
Last post: Jeff Stover
Jeff Stover
Mel Martin
Ed Dixon
Stanty8
Bob Rucker
20447
2 days ago
rqfugate
Serious Stray Light Issue - William Optics UltraCat 56
William Optics Ultra-Cat 56Artifacts
Mar 1, 2026rqfugate
Last post: Joshua Carter
Joshua Carter
Jeff Reitzel
GregsAstrobin
SonnyE
alpheratz06
15444
2 days ago
Tommy Mastro
RCC Request for Feedback and Honest Critique on my Crescent Nebula (Pixinsight User)
Pleiades Astrophoto PixInsightProcessingOne-Shot Color +1
Mar 8, 2026Tommy Mastro
Last post: Tommy Mastro
andrea tasselli
Tony Gondola
6111
2 days ago
BigLizardAstro
Is it worth buying the Seestar S50 for deep sky observation?
ZWO Seestar S50EquipmentBeginner +3
Feb 11, 2026BigLizardAstro
Last post: Aloke Palsikar
Aloke Palsikar
Anthony
Alex P
Parker Tankersley
SonnyE
13325
2 days ago
Alan Brunelle
Islands in Infinity Galaxies 3-D Derek Ward-Thompson (Author), Brian May (Editor), J-P Metsävainio (Illustrator)
OutreachBook Recommendations
Mar 6, 2026Alan Brunelle
Last post: Alan Brunelle
186
1 day ago
Jeff Kisslinger
Data Request
CollaborationHelp NeededNGC2264
Jan 18, 2026Jeff Kisslinger
Last post: Jeff Kisslinger
Matthis Debruyne
AstroRepublic
Norman Hey
Skynet Observatory
S_Burke_44
16387
3 days ago
Robin Bosshard
Controlling a UMi 17X: MiniPC or StellarMate/StellaVita/ASIAIR
Proxisky UMi 17X
Mar 10, 2026Robin Bosshard
06
4 hours ago
Georg N. Nyman
Touptek Hope D60
EquipmentFocuserRefractors +3
Mar 3, 2026Georg N. Nyman
Last post: Georg N. Nyman
AstroGadac
andrea tasselli
Stelios_Stergiou
5150
2 days ago
Dunk
New FSQ!
RefractorsNews
Mar 7, 2026Dunk
Last post: Dunk
Alex Nicholas
John Stone
4215
2 days ago
John Tucker
So they tell me astrophotography is something people do for fun...
EquipmentTroubleshooting
Feb 26, 2026John TuckerFrequent contributorPerfect post
Last post: Alexander Bouwman
Alexander Bouwman
Gregg Kamilar
Peter Quadarella
Eric Gagne
Monty Chandler
501.2k
4 days ago
akshay87kumar
My Learning Journey: Choosing an Astrophotography Camera (Beginner-Friendly Blog Post)
AcquisitionBeginnerFirst Telescope +1
Jul 5, 2025akshay87kumar
Last post: akshay87kumar
Aloke Palsikar
2142
2 days ago
andrea tasselli
Super-Nerds Only: 6" f/4 GSO's Mirror Cell Analysis with 3M Sticky Pads
Equipment
Mar 8, 2026andrea tasselliFrequent contributor
Last post: Tony Gondola
Tony Gondola
172
2 days ago
Jerry Gerber
10Micron GM1000 mount and Daylight Savings Time
Remote AstrophotographyHelp Needed
Mar 8, 2026Jerry GerberPerfect post
045
2 days ago
melquisedeque azevedo
What's your opinion on the Canon EOS 6D?
Canon EOS 6DAcquisitionDeep Sky
Mar 1, 2026melquisedeque azevedo
Last post: Simone Scarpa
Simone Scarpa
Arun H
Seizal Bong
Alexander Bouwman
John Hayes
11350
4 days ago
Trey Wood
Drizzle when undersampling?
Beginner
Feb 27, 2026Trey Wood
Last post: Alan Brunelle
Alan Brunelle
Wanda Conde
Tony Gondola
andrea tasselli
SonnyE
5217
4 days ago
Tony Gondola
Improving RGB imaging quality under Bortle 8 light pollution
Color CalibrationBroadbandRGB +1
Mar 4, 2026Tony GondolaFrequent contributorExemplary contributor
Last post: Tony Gondola
Read noise Astrophotography
Rick Veregin
9262
4 days ago
kvastronomer
Advice needed on hard printing of a specific image
Help Needed
Feb 19, 2026kvastronomer
Last post: dummieastro
dummieastro
Richard Seely
Mark Fox
Rainer Ehlert
andrea tasselli
11263
4 days ago
Eren Beyazçiçek
Canon EOS 1300D and 75-300mm lens for amateur astrophotography?
Canon EOS 1300D / Rebel T6 / Kiss X80BeginnerBuying Advice
Mar 7, 2026Eren BeyazçiçekNew contributor
Last post: Eric Gagne
Eric Gagne
Carastro
andrea tasselli
341
3 days ago
Ali Alobaidly
I bought a CHEAP harmonic mount from AliExpress ! - The Juwei-17
Juwei 17Harmonic MountEquatorial Mount +1
Jul 10, 2024Ali Alobaidly
Last post: Jan Erik Vallestad
Jan Erik Vallestad
Eren
jmdl101
Fredrik Neeb
Tom Johnson
454.7k
6 days ago
Jerry Gerber
Imaging Markarian's Chain at 1000mm
AcquisitionDeep Sky
Mar 4, 2026Jerry GerberPerfect post
Last post: Jerry Gerber
Brian Diaz
2237
4 days ago
Antonio Parisi
iOptron Hybrid vs strain wave mounts performance
iOptron HEM44 with iPolariOptron HAE43
Mar 4, 2026Antonio Parisi
Last post: Christophe Perroud
Christophe Perroud
Alex Nicholas
Andrew
7140
4 days ago
Trey Wood
Redcat51 Loose Focus Help
William Optics Redcat 51FocuserBeginner +1
Feb 13, 2026Trey Wood
Last post: OtarokoOno
OtarokoOno
Tony Gondola
3102
4 days ago
Interactive Sky
Possible large planetary nebula candidate (~20–30') – looking for narrowband imaging help
AcquisitionH-alphaNarrowband +7
Mar 5, 2026Interactive Sky
Last post: Interactive Sky
Daniel Cimbora
andrea tasselli
Oscar H.
6199
5 days ago
Brian Diaz
survey and comparisons (M96) Target
ProcessingRequest for feedback
Feb 27, 2026Brian Diaz
Last post: SonnyE
SonnyE
Rick Krejci
Kay Ogetay
Christopher Clucas
John Hayes
28500
6 days ago
Showing 1-50 of 8617