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Sunflower Galaxy M63
Sunflower Galaxy M63 by hv0000
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Chris Sullivan
What scope and coma corrector are you using?
Fast Newtonians ReflectorsDeep Sky
May 28, 2017Chris Sullivan
Last post: Jamadagni Pariti
Jamadagni Pariti
Eric Benedetti
David Pitou
Phil Creed
Jordan Morley
742.4k
1 hour ago
John Walsh
Diffuse halo around stars - Not Filter related
Sky-Watcher Explorer 150PDS
May 10, 2026John Walsh
Last post: Tony Gondola
Tony Gondola
Ashraf AbuSara
Craig Towell
andrea tasselli
HR_Maurer
24252
3 hours ago
Niels_L
User Experiences ASKAR 120 APO
Askar 120APORefractorsEquipment
Aug 10, 2024Niels_L
Last post: AlexFilothodoros
AlexFilothodoros
Adam Cox
John Stone
Alex Nicholas
joe90605
493k
1 day ago
Jerry Gerber
Claude AI on integration time limits for astrophotography
CMOSAcquisition
May 10, 2026Jerry GerberPerfect post
Last post: Jerry Gerber
Arun H
Charles Hagen
John Hayes
Craig Towell
Scott Badger
13462
1 hour ago
Michele Campini
Problem with 200/800 newtonian
Tecnosky Newton 200/800 CARBON Series
May 8, 2026Michele Campini
Last post: Michele Campini
Tony Gondola
andrea tasselli
Astro Hopper
Marcin Cikała
Dan Watt
20392
2 hours ago
Look Up to the Sky and See
Stupid question :) When do you guys edit your photos? Any time of the day or only in the evening?
Processing
May 9, 2026Look Up to the Sky and SeeNew contributor
Last post: Bill McLaughlin
Bill McLaughlin
Eric Gagné
Gaillard Jérôme
Michael Jarvis
bigCatAstro
9293
15 hours ago
Philip Mortimer
Upgrading from Vaonis Vespera to modular ZWO setup for planetary and deep sky
Vaonis Vespera Integrated CameraVaonis VesperaEquipment +2
May 5, 2026Philip MortimerNew contributor
Last post: MaksPower
MaksPower
Hadi Zaheer
Thomas Picciani
Jim Case
Andrew Lamond
12137
9 hours ago
Menelaos
ZWO CAA backfocus issue with Sky-Watcher Newtonian setup
EquipmentReflectorsHelp Needed
May 6, 2026Menelaos
Last post: Eric Benedetti
Eric Benedetti
Fabrice Lamidey
Seung-Jun Kim
Alex Nicholas
Tony Gondola
996
1 hour ago
Rocksen
Sky-watcher mount drives and PDH2 incompatibility: alternatives?
Sky-Watcher SynScan ProBeginnerHelp Needed +1
May 3, 2026Rocksen
Last post: Jim Raskett
Jim Raskett
MaksPower
Marcin Cikała
TiffsAndAstro
Tony Gondola
5156
8 hours ago
Willem Jan Drijfhout
Moving from one Remote Hosting Site to Another
EquipmentObservatoryRemote Astrophotography +1
May 7, 2026Willem Jan DrijfhoutPerfect post
Last post: Dave & Telescope
Dave & Telescope
rokpalcic
Obdulio Garcia-Nicolas
John Hayes
8427
1 day ago
Olivier Girard
Solar H-alpha close-up views
Filip Szczerek ImPPG (Image Post-Processor)ProcessingStacking +2
Apr 20, 2026Olivier Girard
Last post: Olivier Girard
GreatAttractor
Philippe Fossier
13321
23 hours ago
Greg
Trying to decide on a larger refractor for imaging galaxies.
EquipmentBuying Advice
May 2, 2026Greg
Last post: Ashraf AbuSara
Ashraf AbuSara
Tony Gondola
Photon_Collector
Nikguy
Alessio Pariani
33880
2 days ago
Ethan Sweet
WBPP vs Sirilic
Siril Team SirilicStacking
Apr 18, 2026Ethan Sweet
Last post: Rodolphe Goldsztejn
Rodolphe Goldsztejn
Frank Alvaro
Wei-Hao Wang
John Hayes
Tony Gondola
12289
1 day ago
Todd Charlson
Back Focus on MoonLite 3.5" NiteCrawler with the 645 reducer QE 0.72
Takahashi FSQ-106EDX4Reducer
May 26, 2025Todd Charlson
Last post: Dunk
Dunk
Dark Matters Astrophotography
Bob Lockwood
Daniel Carter
midnightsnacks
31474
2 days ago
Jerry Gerber
Two different defects in two stacked linear images
RegistrationArtifactsTroubleshooting
May 10, 2026Jerry GerberPerfect post
Last post: Jerry Gerber
Francesco Meschia
Tony Gondola
HR_Maurer
485
19 hours ago
Tommy Mastro
Issue with RGB Stars for SHO Image (Please Help)
AcquisitionRGBSHO +1
May 9, 2026Tommy Mastro
Last post: Bernd Hagenauer
Bernd Hagenauer
Tobiasz
HR_Maurer
Craig Towell
andrea tasselli
8143
1 day ago
Mike Mulcahy
Reflections from a CDK 12.5
EquipmentFiltersReflectors +3
Apr 30, 2026Mike Mulcahy
Last post: Mike Mulcahy
John Hayes
jego
Alejandro Moreschi
Willem Jan Drijfhout
Marcin Cikała
22439
2 days ago
Dark Matters Astrophotography
Retrospective on HCRO in New Mexico
ObservatoryRemote AstrophotographyWeather
May 6, 2026Dark Matters Astrophotography
Last post: Dark Matters Astrophotography
Wei-Hao Wang
Tony Gondola
Jeffery Richards
Arun H
Bob Lockwood
9415
2 days ago
NAG
QHY268m USB compatibility issues
QHYCCD QHY268 MEquipment
May 4, 2026NAG
Last post: Brian Puhl
Brian Puhl
HR_Maurer
Tony Gondola
Rob Johnson
689
2 days ago
Hassaan Zaheer
Cannot figure out these weird gradients
Sky-Watcher Quattro 150P
May 7, 2026Hassaan Zaheer
Last post: John Hayes
John Hayes
Lorenzo Siciliano
Klaus Haaken
Willem Jan Drijfhout
churmey
21371
3 days ago
Declan Garrett
Help acquiring a clear image of star TYC 9331-719-1
BeginnerHelp Needed
May 10, 2026Declan GarrettNew contributor
039
1 day ago
Wandrille VINCENT
adapter for Samyang 135mm F2.0 lens
EquipmentBeginnerBuying Advice +1
Dec 20, 2025Wandrille VINCENT
Last post: Abhishek Prasad
Abhishek Prasad
odelay
Eric Benedetti
andrea tasselli
Clayton Ostler
38698
4 days ago
George Smith
Orion Optics planetary images with orion optics reflector
Planetary Camera
May 8, 2026George Smith
Last post: George Smith
andrea tasselli
259
2 days ago
hisan koko
Where to buy affordable telescope tracking mounts
EquipmentStar TrackerPortable Setup +2
May 2, 2026hisan koko
Last post: hisan koko
Eric Gagné
bigCatAstro
Rainer Ehlert
Frédéric Ruciak
TiffsAndAstro
18361
4 days ago
Brian
ASI585 MC/MM Air – Alpaca / ASCOM (Windows)
ZWO ASI585MC AIREquipment
May 10, 2026Brian
024
1 day ago
Nick Large
M16/M17 and M31 were my very first DSOs
Very First Images M16M17M31 +2
Aug 22, 2024Nick Large
Last post: Tom Marsala
Tom Marsala
Ian Dixon
270
3 days ago
rqfugate
Serious Stray Light Issue - William Optics UltraCat 56
William Optics Ultra-Cat 56Artifacts
Mar 1, 2026rqfugate
Last post: rqfugate
Jeff Reitzel
DavesView
Bob ten Berge
Michael Rushalko
Dave
341.1k
4 days ago
Craig Bernier
New Charles Bracken Book Weighs in at Six Pounds!
BeginnerIntermediateAstronomy tools +2
Apr 23, 2026Craig Bernier
Last post: Patrick
Patrick
Isbel Gonzalez
Javier Temprano
Alan M
John Hayes
35942
5 days ago
Kun I
Celestron C8 ring artifact confirmed in my images
Celestron C8
May 8, 2026Kun INew contributor
Last post: TiffsAndAstro
TiffsAndAstro
180
3 days ago
Don Norwood
IOptron iAFS2 auto focuser for Apertura CarbonStar RC8?
EquipmentFocuserReflectors +2
May 9, 2026Don Norwood
018
2 days ago
Craig Towell
Anyone for data sharing?
Collaboration
May 4, 2026Craig Towell
Last post: Craig Towell
Doug Crowe
Spacetime Pictures
Steven Scott
Brian Puhl
Astro Sarisky
13384
5 days ago
Diego Pacchiani
Sky-Watcher 200 PDS with HEQ5
Sky-Watcher Explorer 200PDSSky-Watcher HEQ5 PROBeginner +1
Jul 16, 2024Diego Pacchiani
Last post: Volodymyr Kravchenko
Volodymyr Kravchenko
Wim van Berlo
FilippoTib
Arny
Stefano Annarumi
11530
5 days ago
Andy williams
Portable telescope setup advice for northern hemisphere imaging from Vietnam
EquipmentRefractorsBuying Advice
May 3, 2026Andy williams
Last post: Andy williams
andrea tasselli
276
4 days ago
Kevin Lucas
What causes double stars in telescope images?
EquipmentRefractorsArtifacts +1
May 4, 2026Kevin Lucas
Last post: Jerry Gerber
Jerry Gerber
bigCatAstro
Tony Gondola
Willem Jan Drijfhout
churmey
9241
5 days ago
Interactive Sky
Darker or brighter background: which looks better?
Background ExtractionProcessingRequest for feedback
Apr 30, 2026Interactive Sky
Last post: Tony Gondola
Tony Gondola
Bill McLaughlin
Franco Grimoldi
Anthony (Tony) Johnson
Astro Hopper
20765
6 days ago
Jeff Bennett
QHY Polemaster adapter compatibility with Astro-Physics Mach1 GTO
Astro-Physics Mach1 GTO
Apr 24, 2026Jeff Bennett
Last post: Jeff Bennett
Jeffrey Kieft
ItsMeAstro
Marcelof
Bob Lockwood
Tom Bash
9100
5 days ago
Michael Jarvis
Pixinsight Repository download error
ProcessingAstronomy toolsHelp Needed +1
May 5, 2026Michael Jarvis
Last post: Marcelof
Marcelof
181
5 days ago
Eric Gagné
Changes to PixInsight forum ????
Pleiades Astrophoto PixInsight
Apr 25, 2026Eric Gagné
Last post: Rainer Ehlert
Rainer Ehlert
Craig Towell
Jeffrey Kieft
Chuck Schreiner
Rodolphe Goldsztejn
581.8k
9 days ago
Frank "Voloire"
What have I really learned after these two months of mono?
AcquisitionProcessingMonochrome +1
Apr 25, 2026Frank "Voloire"
Last post: Dark Matters Astrophotography
Dark Matters Astrophotography
Jeffrey Kieft
Gregg Kamilar
Hugues Talbot
Sam Danigelis
16532
8 days ago
Olivier G
QHY Minicam8 blue halo
QHYCCD miniCAM8M
Feb 20, 2026Olivier G
Last post: Olivier G
TiffsAndAstro
Willem Jan Drijfhout
Michael Brennan
Alex Nicholas
ZigZagZebraz
17290
7 days ago
John Hayes
How many of you own more than one telescope?
Equipment
Oct 8, 2024John HayesFrequent contributorExemplary contributor
Last post: Pete Bouras
Pete Bouras
Jonathan Tatum
Valentine Treshchun
Rob West
Aloke Palsikar
1665.8k
10 days ago
George Smith
What Scope to Get
Equipment
May 2, 2026George Smith
Last post: andrea tasselli
andrea tasselli
Tony Gondola
3124
8 days ago
HenryScholz
Help with Edge Hd 8 Backfocusing
EquipmentHelp NeededTroubleshooting
May 2, 2026HenryScholz
Last post: Paul Larkin
Paul Larkin
John Stone
andrea tasselli
386
8 days ago
hisan koko
Where can I sell my telescope?
EquipmentBuying AdviceHelp Needed
May 2, 2026hisan koko
Last post: hisan koko
David Joyce
Tony Gondola
4162
8 days ago
Hassaan Zaheer
Cross pattern in Luminance channel
Sky-Watcher Explorer 150PReflectorsCalibration +4
May 2, 2026Hassaan Zaheer
Last post: GalacticRAVE
GalacticRAVE
bigCatAstro
andrea tasselli
994
9 days ago
Interactive Sky
ZWO AM3N vs. Sky Watcher Wave 100i
Sky-Watcher Wave 100iEquipmentGoTo +7
May 2, 2026Interactive Sky
Last post: Nikguy
Nikguy
Franco Grimoldi
3183
8 days ago
Christophe tonnelier
Back focus distance for Celestron 0.63x reducer on NexStar 6SE
Celestron NexStar 6SE
May 1, 2026Christophe tonnelier
Last post: DavesView
DavesView
Rick Veregin
366
9 days ago
Interactive Sky
Barlow lens comparison: Tele Vue Powermate vs Explore Scientific
ZWO ASI662MCBarlowCMOS +7
Apr 29, 2026Interactive Sky
Last post: Pete Bouras
Pete Bouras
Werner Stumpferl
andrea tasselli
4127
9 days ago
Joel Lee
Questions about and deciding on a Solar Set Up
EquipmentRefractorsSolar Filter +2
Apr 29, 2026Joel Lee
Last post: Joel Lee
Willem Jan Drijfhout
Paul Larkin
Tony Gondola
SonnyE
8143
10 days ago
YingtianZZZ
A test for RASA + OSC in severe light pollution areas
Celestron Light pollution filter for RASA11 2"AcquisitionArtifacts
Apr 29, 2026YingtianZZZ
Last post: Rostokko
Rostokko
andrea tasselli
6120
12 days ago
Showing 1-50 of 8796