AstroBin is the home of astrophotography - Share full resolution images, preserve acquisition details, discover equipment, discuss techniques, and learn from the community.Discover AstroBin
Iris Core
Iris Core by Paul Bird
New topic
Showing 1-50 of 9026
Topics with ongoing activityParticipantsRepliesViewsLast updated
DavesView
RedCat51 and Undersampling
William Optics Redcat / Cat 51 III WIFDZWO ASI2600MC ProZWO ASI294MC Pro +2
May 24, 2024DavesView
Last post: Rafał Szwejkowski
Rafał Szwejkowski
codwyer
Alex Nicholas
Bill McLaughlin
Wei-Hao Wang
33782
9 hours ago
Berat
I need your advice for a beginner.
EquipmentBeginnerBuying Advice
Jul 27, 2026BeratNew contributor
Last post: Tony Gondola
Tony Gondola
Aloke Palsikar
andrea tasselli
Jim Bishop
TiffsAndAstro
14218
2 hours ago
Merrick Redden
How to best modify the NexStar 6SE for astrophotography
Celestron NexStar 6SEBeginnerBuying Advice
Aug 31, 2022Merrick Redden
Last post: Rick Veregin
Rick Veregin
TiffsAndAstro
Burden Mark
kuechlew
Ed Dixon
181k
21 hours ago
Phil Creed
Deep-sky performance difference of 585MC-Air vs. 533MC-Pro?
ZWO ASI533MC ProZWO ASI585MC AIRZWO ASI585MC Pro +1
Jun 18, 2026Phil Creed
Last post: Ruben Kier
Ruben Kier
Tony Gondola
andrea tasselli
9194
1 hour ago
Paul Ludden
Mele3C - needs acknowledgement to share?
Astronomy tools
Jul 15, 2026Paul Ludden
Last post: Frédéric Ruciak
Frédéric Ruciak
Dunk
Tony Gondola
Gilmour Dickson
9148
1 hour ago
Michael Smithers
Beginner's questions on Imaging M31 at low altitude: saturation and color challenges
William Optics Redcat 51ZWO ASI533MC ProDeep Sky +3
Jul 27, 2026Michael Smithers
Last post: Tony Gondola
Tony Gondola
599
2 hours ago
John Drummond
QHY128C camera - a great disappointment
CMOSEquipmentHelp Needed +1
Jul 27, 2026John DrummondNew contributor
Last post: Aloke Palsikar
Aloke Palsikar
Tony Gondola
2162
3 hours ago
Robo
Dark circle in stacked images after switching to Star Adventurer GTI
Samyang 135mm F2.0 ED UMCSky-Watcher Star Adventurer GTiCalibration
Jul 28, 2026RoboNew contributor
Last post: Robo
TiffsAndAstro
sharkmelley
355
49 minutes ago
Tony Gondola
A case against or for noise.
ProcessingNoise ReductionDeep Sky +1
Jul 20, 2026Tony GondolaFrequent contributorExemplary contributor
Last post: Tony Gondola
Bill McLaughlin
Arun H
John Hudson
Marshall Huang
John Hayes
521.4k
2 days ago
Shaunak Bellubbi
In the search of Sagittarius A
GalaxyResearch
Mar 12, 2026Shaunak Bellubbi
Last post: Paul Thompson
Paul Thompson
1127
8 hours ago
Eric Miller
Will my mount setup work?
ZWO AM3NPortable Setup
Jul 26, 2026Eric Miller
Last post: Jaromir Karasek
Jaromir Karasek
Astro
dummieastro
Tony Gondola
9179
1 day ago
John Stone
Strange Rings around the bright stars.
ArtifactsHelp NeededTroubleshooting
Jul 27, 2026John Stone
Last post: Tony Gondola
Tony Gondola
sharkmelley
2160
1 day ago
Carlo Paschetto
Star Adventurer GTi head stuck on original tripod – won’t come off
Sky-Watcher Star Adventurer GTiHelp NeededTroubleshooting
Jul 27, 2026Carlo Paschetto
Last post: Carlo Paschetto
TiffsAndAstro
NeilM
Brian Puhl
485
1 day ago
Kane Ansell
Need Help re: Dew Heater Positions and Dew Heater Controller recommendations
Dew HeaterBeginnerHelp Needed
Jul 25, 2026Kane AnsellNew contributor
Last post: Brian Carter
Brian Carter
147
5 hours ago
Bob Rucker
HAE69 C EC PHD2 Settings
iOptron HAE69C ECOpen PHD Guiding Project PHD2Equatorial Mount +1
Jun 11, 2025Bob Rucker
Last post: Wes Schwarz
Wes Schwarz
Kegan128
Christoph Paulus
Dave Rust
Ashraf AbuSara
10342
2 days ago
DavesView
WarpAstron WD20 Mount
WarpAstron WD-20ZWO AM5Equatorial Mount +1
Jun 10, 2024DavesView
Last post: TiffsAndAstro
TiffsAndAstro
alpayfng
Alan Brunelle
Olivier Constans
Alessio
502.2k
3 days ago
Jason Vancoillie
Crescent Nebula (NGC 6888) – One of My First Astrophotography Projects
DWARFLAB DWARF 3 Integrated CameraDWARFLAB DWARF 3Acquisition +7
Jul 27, 2026Jason VancoillieNew contributor
Last post: Aloke Palsikar
Aloke Palsikar
1120
1 day ago
TiffsAndAstro
I like galaxies, but....
EquipmentLight PollutionBuying Advice +1
Nov 8, 2025TiffsAndAstroFrequent contributor
Last post: TiffsAndAstro
Tobiasz
Jeremy Kosick
Craig Towell
Mina B.
Erlend Langsrud
531.4k
3 days ago
KJR
Only able to Connect to Stellavita V2.0.6/2.0.15 with iPad
ToupTek StellaVitaHelp NeededTroubleshooting
Apr 29, 2026KJR
Last post: Isaias McGlynn
Isaias McGlynn
123
8 hours ago
Interactive Sky
M20 Processing - Request for the feedback
ZWO ASI662MCPleiades Astrophoto PixInsightCMOS +7
Jul 23, 2026Interactive Sky
Last post: Aloke Palsikar
Aloke Palsikar
andrea tasselli
5253
2 days ago
agard
Guiding with Optolong L-Ultimate?
ZWO ASI2600MC DUOOptolong L-UltimateZWO ASI2600MC Pro +2
Jan 16, 2025agard
Last post: Mark Bilton
Mark Bilton
FrancoisGAP
Francis
Luxo
Sam Berrad
23790
3 days ago
Jay Hovnanian
Blackwater Skies / Imaging Toolbox broken???
Help NeededTroubleshooting
Feb 9, 2026Jay Hovnanian
Last post: Carastro
Carastro
Stellar Nomads
Tareq Abdulla
9280
2 days ago
rqfugate
Serious Stray Light Issue - William Optics UltraCat 56
William Optics Ultra-Cat 56Artifacts
Mar 1, 2026rqfugate
Last post: Wes Schwarz
Wes Schwarz
Muhammad Mufti
Sam Berrad
Jeff Reitzel
mprowland
451.6k
4 days ago
Massimiliano Liva
Debayer DSLR
BeginnerHelp Needed
Jul 26, 2026Massimiliano LivaNew contributor
Last post: andrea tasselli
andrea tasselli
Tony Gondola
369
1 day ago
Interactive Sky
Windows blocking ZWO camera drivers on newer builds
ZWO ASI662MC
May 23, 2026Interactive Sky
Last post: Rick Veregin
Rick Veregin
Julio Maset
NeilM
Nasser Alsolihem
Paul MacAree
23649
3 days ago
Craig Dixon
Flats causing but blue patch in the middle
CalibrationArtifactsHelp Needed
Jul 23, 2026Craig Dixon
Last post: JTSAN
JTSAN
Michael Smithers
Stellar Nomads
andrea tasselli
12274
3 days ago
Ricky
Telescope Build for Deep Space photography
EquipmentAcquisitionBeginner +2
Jan 30, 2026Ricky
Last post: TiffsAndAstro
TiffsAndAstro
house starling
SonnyE
Tony Gondola
John Stone
22646
4 days ago
Eric Miller
Milky Way Landscape Photography (Blue Hour) Questions
EquipmentDSLRMirrorless
Jul 25, 2026Eric Miller
Last post: Jeff Horn
Jeff Horn
1103
2 days ago
Salvatore Iovene
Community tools and Hobby projects
Astronomy tools
Feb 14, 2026Salvatore IoveneAstroBin StaffIOTD StaffExemplary contributor
Last post: STAN BARTON
STAN BARTON
chvvkumar
Gerald
Alex Nicholas
Neven Krcmarek
754k
5 days ago
John Hayes
So, what happened at the SPIE Telescopes and Instrumentation Meeting this year (2026)?
General ScienceConventionsNews +1
Jul 12, 2026John HayesFrequent contributorExemplary contributor
Last post: Josh Walawender
Josh Walawender
Rabeea Alkuwari
SJK
Tony Gondola
Charles Bracken
22627
4 days ago
Vincent VdB
New Askar SQA60Pro announced
EquipmentRefractors
May 25, 2026Vincent VdB
Last post: ShelbyCouper
ShelbyCouper
Jeff Horn
Kurt Rosenkilde
Francesco Colli Vignarelli
Ashraf AbuSara
13639
4 days ago
Tom Boyd
PixInsight: Scorpio LRGB Filter Set Transmission Curves
AcquisitionProcessingBroadband +2
Jul 26, 2026Tom Boyd
051
2 days ago
Kane Ansell
Best placement for dew heaters on OTA and guide cameras + Dew Heater Controller Recommendations
Dew HeaterEquipmentBeginner +1
Jul 25, 2026Kane AnsellNew contributor
Last post: Tony Gondola
Tony Gondola
Marcelof
2106
3 days ago
andrea tasselli
Thermal Current
Acquisition
Jul 23, 2026andrea tasselliFrequent contributor
Last post: Mikołaj Wadowski
Mikołaj Wadowski
Brian Puhl
Tim Ray
TiffsAndAstro
6177
4 days ago
Rob Lyons
The New Mesu Mount
Mesu-Optics 200ADM Accessories TGAD - Tandem Guiding Aiming DeviceMesu-Optics 200 MK II +6
Jul 20, 2026Rob Lyons
Last post: Tareq Abdulla
Tareq Abdulla
Craig Towell
Tony Gondola
Alex Nicholas
5413
5 days ago
mkbn
Decent 400mm flat panel?
EquipmentReflectorsCalibration +1
Jul 21, 2026mkbn
Last post: ItsMeAstro
ItsMeAstro
Bob Lockwood
Tony Gondola
Tom Boyd
Ron
14278
6 days ago
electro77
SPCC and PCC both fail with "Insufficient data" on vdB 123 — regression collapses to 0-1 samples despite hundreds of matched stars
Color CalibrationVdB123
Jul 21, 2026electro77
Last post: andrea tasselli
andrea tasselli
9157
6 days ago
Dave T
Star Watcher Adventure GTi remote shutter cable not working with Nikon Z6
Nikon Z6MirrorlessStar Tracker +1
Jul 21, 2026Dave T
Last post: TiffsAndAstro
TiffsAndAstro
ArchStarGazer
Eric Gagné
346
6 days ago
Ron
# PixInsight Gradient correction issues with MARS DR2 and luminance frame
CalibrationProcessing
Jul 21, 2026RonPerfect post
Last post: Ron
andrea tasselli
ScottF
Kristof Vandebeek
Mikołaj Wadowski
mkbn
10222
6 days ago
Eric Miller
Higher FL scope for travel? Strain vs EQ mount?
Buying Advice
Jul 17, 2026Eric Miller
Last post: Jim Case
Jim Case
TiffsAndAstro
Aloke Palsikar
SemiPro
Tony Gondola
21259
7 days ago
Jeff Bennett
Remote imaging versus hands-on astrophotography: the debate continues
Backyard Astrophotography
Jan 20, 2026Jeff Bennett
Last post: Matthis Debruyne
Matthis Debruyne
Arun H
John Stone
TiffsAndAstro
Tony Gondola
2717k
9 days ago
Viktoryia Lazarava
Share your star crops made with Canon EF 70–200mm f/2.8L IS II
EquipmentCollimationHelp Needed
Jul 19, 2026Viktoryia Lazarava
Last post: Viktoryia Lazarava
Simon_W
Arun H
sharkmelley
Tony Gondola
andrea tasselli
9267
7 days ago
Jaymz Bondurant
Understanding and comparing PixInsight Benchmarks
Pleiades Astrophoto PixInsightProcessingBuying Advice
Dec 22, 2023Jaymz Bondurant
Last post: Tony Gondola
Tony Gondola
Alex Nicholas
Nevis Alexander
Monty Chandler
Ruediger
151.2k
8 days ago
Menelaos
r
Calibration
Jul 21, 2026Menelaos
Last post: mkbn
mkbn
andrea tasselli
Kristof Vandebeek
3116
6 days ago
Elena
Weird gradient I can't remove through PixInsight (M31)
ProcessingGradient RemovalRequest for feedback +3
Jul 19, 2026Elena
Last post: Jonathan Paul
Jonathan Paul
Ross Hrubiak
James
Tony Gondola
SemiPro
11376
8 days ago
Roberto MR
Advices about the Askar 180FMA
ZWO EAFRefractorsAuto-Focusing +1
Jul 18, 2026Roberto MR
Last post: Werner Stumpferl
Werner Stumpferl
Eric Gagné
AndBergAstro
Stelios_Stergiou
4192
7 days ago
Tatiana DESCORMIER
Celestron Starsense Explorer LT 127AZ
SmartphoneBeginnerHelp Needed +1
Jul 10, 2026Tatiana DESCORMIER
Last post: Tony Gondola
Tony Gondola
737
7 days ago
Frédéric Ruciak
Screwing or not screwing the coma corrector to the newton focuser that's the question
EquipmentFocuserReflectors +1
Oct 12, 2025Frédéric Ruciak
Last post: Frédéric Ruciak
Jon Main
Timothy Cole
Dan Watt
Stephen Jones
John Stone
25475
8 days ago
Tony Gondola
Another gradient removal tool
Siril Team SirilGradient RemovalProcessing
Jul 28, 2026Tony GondolaFrequent contributorExemplary contributor
03
1 minute ago
andrea tasselli
NINA refocusing after a flip
Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)
Jul 20, 2026andrea tasselliFrequent contributor
Last post: andrea tasselli
Brian Puhl
293
8 days ago
Showing 1-50 of 9026