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Lunar V
Lunar V by OscarBC
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Chris Sullivan
What scope and coma corrector are you using?
Fast Newtonians ReflectorsDeep Sky
May 28, 2017Chris Sullivan
Last post: Phil Creed
Phil Creed
David Pitou
Jordan Morley
Dan_I
Stephen Jones
712.4k
1 hour 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
38674
4 hours 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
341k
17 hours 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
35932
20 hours ago
Greg
Trying to decide on a larger refractor for imaging galaxies.
EquipmentBuying Advice
May 2, 2026GregNew contributor
Last post: Alex Nicholas
Alex Nicholas
Tony Gondola
Stelios_Stergiou
Willem Jan Drijfhout
Dark Matters Astrophotography
23631
16 hours ago
Hassaan Zaheer
Cannot figure out these weird gradients
Sky-Watcher Quattro 150P
May 7, 2026Hassaan Zaheer
Last post: Willem Jan Drijfhout
Willem Jan Drijfhout
churmey
Tony Gondola
Brian Puhl
andrea tasselli
18201
1 hour ago
Mike Mulcahy
Reflections from a CDK 12.5
EquipmentFiltersReflectors +3
Apr 30, 2026Mike Mulcahy
Last post: John Hayes
Alejandro Moreschi
Willem Jan Drijfhout
Marcin Cikała
Stellar Nomads
andrea tasselli
8240
48 minutes 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
13347
20 hours 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
11528
1 day 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: Andrew Lamond
Andrew Lamond
Tony Gondola
Cassio Pieroni Trevisani
871
9 hours ago
Dark Matters Astrophotography
Retrospective on HCRO in New Mexico
ObservatoryRemote AstrophotographyWeather
May 6, 2026Dark Matters Astrophotography
Last post: Jeffery Richards
Jeffery Richards
Arun H
Bob Lockwood
Tony Gondola
5242
20 hours ago
Menelaos
ZWO CAA backfocus issue with Sky-Watcher Newtonian setup
EquipmentReflectorsHelp Needed
May 6, 2026Menelaos
Last post: Seung-Jun Kim
Alex Nicholas
Tony Gondola
536
39 minutes ago
NAG
QHY268m USB compatibility issues
QHYCCD QHY268 MEquipment
May 4, 2026NAG
Last post: HR_Maurer
HR_Maurer
Tony Gondola
Rob Johnson
Brian Puhl
459
1 hour ago
hisan koko
Where to buy affordable telescope tracking mounts
EquipmentStar TrackerPortable Setup +2
May 2, 2026hisan kokoNew contributor
Last post: Eric Gagné
Eric Gagné
bigCatAstro
Rainer Ehlert
Frédéric Ruciak
TiffsAndAstro
16308
1 day 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
266
7 hours ago
Kevin Lucas
What causes double stars in telescope images?
EquipmentRefractorsArtifacts +1
May 4, 2026Kevin LucasNew contributor
Last post: Jerry Gerber
Jerry Gerber
bigCatAstro
Tony Gondola
Willem Jan Drijfhout
churmey
9229
1 day 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
20748
2 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
996
1 day ago
Michael Jarvis
Pixinsight Repository download error
ProcessingAstronomy toolsHelp Needed +1
May 5, 2026Michael Jarvis
Last post: Marcelof
Marcelof
170
1 day ago
Eric Gagné
Changes to PixInsight forum ????
Pleiades Astrophoto PixInsight
Apr 25, 2026Eric GagnéFrequent contributor
Last post: Rainer Ehlert
Rainer Ehlert
Craig Towell
Jeffrey Kieft
Chuck Schreiner
Rodolphe Goldsztejn
581.8k
4 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
17287
3 days ago
John Hayes
How many of you own more than one telescope?
Equipment
Oct 8, 2024John HayesExemplary contributor
Last post: Pete Bouras
Pete Bouras
Jonathan Tatum
Valentine Treshchun
Rob West
Aloke Palsikar
1665.8k
5 days ago
Rocksen
Sky-watcher mount drives and PDH2 incompatibility: alternatives?
Sky-Watcher SynScan ProBeginnerHelp Needed +1
May 3, 2026Rocksen
Last post: Marcin Cikała
Marcin Cikała
TiffsAndAstro
Tony Gondola
3104
3 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
16528
4 days ago
Jozef Bodden
Wanderer ETA Tilt Corrector N.I.N.A. connection button behavior
Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)Help Needed
Apr 26, 2026Jozef Bodden
Last post: Jozef Bodden
Fabrice Lamidey
Jeffery Richards
Dale Ghent
Jeffrey Kieft
Tony Gondola
13198
4 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
3176
4 days ago
George Smith
What Scope to Get
Equipment
May 2, 2026George SmithNew contributor
Last post: andrea tasselli
andrea tasselli
Tony Gondola
3119
4 days ago
HenryScholz
Help with Edge Hd 8 Backfocusing
EquipmentHelp NeededTroubleshooting
May 2, 2026HenryScholzNew contributor
Last post: Paul Larkin
Paul Larkin
John Stone
andrea tasselli
381
4 days ago
hisan koko
Where can I sell my telescope?
EquipmentBuying AdviceHelp Needed
May 2, 2026hisan kokoNew contributor
Last post: hisan koko
David Joyce
Tony Gondola
4158
4 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
992
5 days ago
Christophe tonnelier
Back focus distance for Celestron 0.63x reducer on NexStar 6SE
Celestron NexStar 6SE
May 1, 2026Christophe tonnelierNew contributor
Last post: DavesView
DavesView
Rick Veregin
363
4 days ago
rhombus
Planetary Camera Recommendation AP175 F8
EquipmentPlanetary CameraBuying Advice
Mar 31, 2026rhombus
Last post: andrea tasselli
andrea tasselli
Tony Gondola
TiffsAndAstro
ItsMeAstro
7124
5 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
4121
5 days ago
Mark Worthington
Best practice for preventing moisture damage
EquipmentTroubleshooting
Apr 29, 2026Mark Worthington
Last post: SonnyE
SonnyE
andrea tasselli
Scott Badger
Brian Puhl
6123
5 days ago
Dunk
New FSQ!
RefractorsNews
Mar 7, 2026Dunk
Last post: Dunk
Jeffery Richards
Alex Nicholas
Silvio F Carlos
John Stone
11408
6 days ago
Cameron Stout
Bright band at bottom of images with Canon 6D
Pleiades Astrophoto PixInsightDSLRHelp Needed +1
Mar 8, 2026Cameron Stout
Last post: Scott Stirling
Scott Stirling
Seizal Bong
bigCatAstro
SonnyE
Tony Gondola
12208
6 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
8141
6 days ago
Caleb Evans
Issue With Plate Solving
Pleiades Astrophoto PixInsightPlate SolvingHelp Needed
Apr 27, 2026Caleb Evans
Last post: Edwin Keur
Edwin Keur
Willem Jan Drijfhout
Scott Horton
Tony Gondola
Behnam Darvish
16729
7 days ago
Phil Creed
Realistic maximum for usable focal length
ZWO ASI533MC ProSeeing Conditions
Apr 6, 2026Phil Creed
Last post: Gamaholjad
Gamaholjad
Craig Towell
Tony Gondola
John Hayes
John Tucker
25622
7 days ago
Alexander Bouwman
Any suggestions: trouble achieving sharp focus with Edge HD
Celestron EdgeHD 8"
Mar 9, 2026Alexander Bouwman
Last post: Alexander Bouwman
John Tucker
Paul Larkin
Adam Hall
Scott Badger
Razvy
48862
8 days ago
Frédéric Ruciak
A spreadsheet to convert Hocus Focus result in pratical move/turns of a manual tilt adapter plate
Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)EquipmentHow-to +1
Jan 7, 2026Frédéric Ruciak
Last post: Jozef Bodden
Jozef Bodden
ScottF
Jean Porter
6159
7 days ago
Seany75uk
Tracking /Guiding issues half way through an Imaging session.
Sky-Watcher HEQ5 PROGreen Swamp Software Green Swamp ServerOpen PHD Guiding Project PHD2
Apr 27, 2026Seany75uk
Last post: Seany75uk
Brian Puhl
Tony Gondola
dayglow
Ron
Alex Nicholas
19155
8 days ago
Mark Worthington
Bigger scope for Jupiter imaging or dedicated cooled astro camera for DSO
EquipmentBuying AdviceJupiter
Apr 27, 2026Mark Worthington
Last post: Mark Worthington
Jeremy Jackson
TiffsAndAstro
andrea tasselli
Tony Gondola
Rick Evans
18167
8 days ago
Ethan Sweet
WBPP vs Sirilic
Siril Team SirilicStacking
Apr 18, 2026Ethan Sweet
Last post: Frank Alvaro
Frank Alvaro
Wei-Hao Wang
John Hayes
Tony Gondola
Peák Gergely
11245
8 days ago
Eric Gagné
Stellavita app 2.0 - Clear logs
ToupTek StellaVita
Mar 17, 2026Eric GagnéFrequent contributor
Last post: Eric Gagné
KJR
462
6 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
6119
8 days ago
Interactive Sky
Using 7nm dual-band Ha/OIII filters on fast f/3.8 systems
EquipmentCMOSFilters +7
Apr 28, 2026Interactive Sky
Last post: Rob Lyons
Rob Lyons
Rick Krejci
Alex Nicholas
Dunk
Tony Gondola
6116
8 days ago
Interactive Sky
Using 7nm dual-band Ha/OIII filters on fast f/3.8 systems
EquipmentCMOSFilters +7
Apr 28, 2026Interactive Sky
010
9 days ago
Jim Waters
Antlia SHO Edge 4.5nm and f/4 Scopes?
FiltersReflectorsNarrowband
Apr 27, 2026Jim Waters
Last post: Rick Krejci
Rick Krejci
Tony Gondola
Diego Alberto Craviotto
D. Jung
6100
9 days ago
Francesco Cogliandro
Suggestion on Siril workflow for DSO
Siril Team SirilProcessingBeginner +1
Apr 27, 2026Francesco Cogliandro
Last post: Tony Gondola
Tony Gondola
141
10 days ago
Showing 1-50 of 8784