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2020-09-13 2020-09-14 M13
2020-09-13 2020-09-14 M13 by Mathis Lefèvre
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Showing 1-50 of 8935
Topics with ongoing activityParticipantsRepliesViewsLast updated
Daniel J. Givens
A comparison of BXT/NXT vs SyQon
Russell Croman Astrophotography NoiseXTerminator
Jun 15, 2026Daniel J. Givens
Last post: Tony Gondola
Tony Gondola
SyQon Astro
Scott Badger
Rick Krejci
Craig Towell
21935
12 hours ago
Scott Stirling
Pixinsight astrometric annotation catalogs
Pleiades Astrophoto PixInsightAstrometryAdvanced +1
May 31, 2026Scott Stirling
Last post: Scott Stirling
Paul Puntin
Willem Jan Drijfhout
17296
13 hours ago
Swee Sin Eng
Halo issues with L extreme filter on Skyrover 90SAP setup
FiltersArtifactsTroubleshooting
Jun 18, 2026Swee Sin EngNew contributor
Last post: Swee Sin Eng
sharkmelley
andrea tasselli
Dave Stirling
Tareq Abdulla
13135
8 hours ago
Paul Campbell
Celestron GPS11 with fungus
ReflectorsBackyard Astrophotography
Jun 19, 2026Paul Campbell
Last post: Paul Campbell
Lynn K
Walter Leonhard Schramböck
Tony Gondola
9152
7 hours ago
Tony Gondola
Cuiv on central obstruction
EquipmentReflectorsOptics
Jun 21, 2026Tony GondolaFrequent contributorExemplary contributor
Last post: Alan Brunelle
Alan Brunelle
1128
3 hours ago
JTSAN
OCAL 4.0 Collimator & MacBook Pro a non starter?
Sharpstar 13028HNTCollimationHelp Needed
Jun 14, 2026JTSAN
Last post: TiffsAndAstro
TiffsAndAstro
Jake Lancaster
257
2 hours ago
Mossyback
Roll Off Roof Problem
Astronomy tools
Jun 21, 2026Mossyback
Last post: Tony Gondola
Tony Gondola
391
13 hours ago
Yko
Diagnostic Help: Progressive Frame Drift Despite Active Autoguiding
Open PHD Guiding Project PHD2Deep SkyNebula +1
Jun 17, 2026YkoNew contributor
Last post: Tony Gondola
Tony Gondola
Scott Badger
TiffsAndAstro
Sam Kaplan
andrea tasselli
37311
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
Willem Jan Drijfhout
Anthony (Tony) Johnson
TiffsAndAstro
Tony Gondola
34949
2 days ago
Jerry Gerber
Doubled stars in unguided 10Micron GM1000 tracking
Guiding
Jun 22, 2026Jerry GerberPerfect post
Last post: Tony Gondola
Tony Gondola
134
4 hours ago
Jeffery Richards
Remember when???
AcquisitionArtifactsSatellite
Jun 11, 2026Jeffery Richards
Last post: Tony Gondola
Tony Gondola
Tom Marsala
Francesco Meschia
Gilmour Dickson
Dave Erickson
45838
3 days ago
Frédéric Ruciak
NINA Safety monitor doesn't reflect safe/unsafe state once connected to Lunatico AAG CW safety driver
Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)The ASCOM Initiative ASCOMTroubleshooting
Jun 17, 2026Frédéric Ruciak
Last post: Frédéric Ruciak
adler69
Jon Woodhead
Alex Nicholas
Jean-Michel Hirschi
8266
1 day ago
SkyHoinar
Is this dew?
Troubleshooting
Jun 17, 2026SkyHoinar
Last post: Scott Badger
Scott Badger
Tony Gondola
Willem Jan Drijfhout
sharkmelley
12264
2 days ago
John Stone
External focuser on an SCT; What about temperature change induced focal shift and back-focus?
Celestron EdgeHD 11"Celestron EdgeHD 14"Celestron EdgeHD 8" +1
Mar 25, 2026John Stone
Last post: Paul Larkin
Paul Larkin
Tony Gondola
GregsAstrobin
drunkenAstro
Steve Solon
471k
3 days ago
Lalo Juarez
EAF on minicat51 de WO
ZWO EAFFocuserRefractors +2
Jun 20, 2026Lalo Juarez
Last post: Lalo Juarez
Eric Gagné
233
1 day ago
Lalo Juarez
Red halo in the brightness stars.
UV/IR CutHelp NeededTroubleshooting
Jun 20, 2026Lalo Juarez
035
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
Tony Gondola
TiffsAndAstro
Kyle Cerniglia
Rob Johnson
Tom Fleming
40927
4 days ago
Sylvain Villet
I built a free tool to generate Messier & Caldwell catalogs posters
AcquisitionDeep SkyMessier Objects +1
Sep 11, 2025Sylvain Villet
Last post: rmatscott
rmatscott
Cornelis van Zuilen
Ole Skanning
Jim Miller
andrea tasselli
7432
3 days ago
andrea tasselli
Look Ma, No Clips!
EquipmentReflectorsDIY
Jun 19, 2026andrea tasselliFrequent contributor
Last post: Tony Gondola
Tony Gondola
1131
2 days ago
Nathalie DB
Hello to all astronomy enthusiasts.
Off-topicDeep SkyFrançais
Jul 1, 2025Nathalie DB
Last post: Nathalie DB
Eddy Cochez
Maccawacca
561.4k
4 days ago
yash0661
Hello everyone there are some images captured by me. from my F30070M, 70mm refractor telescope using 3x barlow and 20mm eyepiece and phone camera
AcquisitionSolar SystemGalaxy +1
Jun 18, 2026yash0661New contributor
Last post: Tony Gondola
Tony Gondola
196
2 days ago
jujumaster
Stacked SII image shows wave pattern noise at 1200s exposure
AcquisitionDeep SkyM27 +2
Jun 17, 2026jujumasterNew contributor
Last post: Tony Gondola
Tony Gondola
Lynn K
andrea tasselli
TiffsAndAstro
23246
4 days ago
Charles Hagen
New Script: PhotometricContinuumSubtraction -- Pixinsight
Pleiades Astrophoto PixInsightProcessingNarrowband +1
Oct 2, 2024Charles HagenIOTD Staff
Last post: Dmitry Makolkin
Dmitry Makolkin
Noah Tingey
Rafael Sampaio
William
Thomas Rider
495.4k
5 days 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: Tony Gondola
Tony Gondola
andrea tasselli
8136
3 days ago
Ali Alobaidly
ToupTek is getting closer to breaking the monopoly (StellaVita 2.0))
ToupTek StellaVitaEquipment
Feb 9, 2026Ali Alobaidly
Last post: Tony Gondola
Tony Gondola
SonnyE
TiffsAndAstro
Stelios_Stergiou
ScottF
642.1k
5 days ago
Tony Gondola
Differential Flexure
GuidingTroubleshooting
Jun 14, 2026Tony GondolaFrequent contributorExemplary contributor
Last post: Tony Gondola
SonnyE
Bill McLaughlin
John Hayes
Alex Nicholas
andrea tasselli
11233
4 days ago
Salvatore Iovene
Community tools and Hobby projects
Astronomy tools
Feb 14, 2026Salvatore IoveneAstroBin StaffIOTD StaffExemplary contributor
Last post: samuel krieger
samuel krieger
Jeffrey Horne
Joerg
Cassio Pieroni Trevisani (AstroBear)
MaksPower
623.2k
6 days ago
Mark Worthington
Best practice for preventing moisture damage
EquipmentTroubleshooting
Apr 29, 2026Mark Worthington
Last post: Jean Barba
Jean Barba
SonnyE
andrea tasselli
Scott Badger
Brian Puhl
7168
4 days ago
Bob Anderson
Frustration with U-C 108 tilt adapter system reliability issues
William Optics Ultra-Cat 108Tilt
Jun 18, 2026Bob Anderson
Last post: DavesView
DavesView
162
3 days ago
Claudio Pedrazzi
Why do my stacked Seestar S50 M57 histograms show such a sharp lower cutoff before stretching?
ZWO Seestar S50Siril Team SirilStacking +3
Jun 16, 2026Claudio Pedrazzi
Last post: Jeff Parke
Jeff Parke
Jeff Reitzel
Willem Jan Drijfhout
8167
5 days ago
Arun Vijay
How to install SyQon Prism & Parallax in PixInsight (and fix "no updates available")
Pleiades Astrophoto PixInsightAstronomy toolsHow-to
Jun 12, 2026Arun Vijay
Last post: Charlie Forbes
Charlie Forbes
Monte Roder
2123
4 days ago
Dionito
ASI 533MC Pro USB hub connection failures with multiple devices
ZWO ASI533MC ProEquipmentHelp Needed +1
Jun 5, 2026Dionito
Last post: Dionito
Mark Fox
Eric Dreher
Starchasm
alpheratz06
JAKarambela
37503
6 days ago
Dyan Swenning
Mosaic mode acquisition time in the Pro
SeeStar S30 Pro AcquisitionMosaic
Jun 18, 2026Dyan SwenningNew contributor
021
3 days ago
Antton CHEVRIER
My first real Milky Way
Request for feedback
Jun 15, 2026Antton CHEVRIERNew contributor
Last post: Antton CHEVRIER
Willem Jan Drijfhout
Tony Gondola
782
5 days ago
Jerry Gerber
Mini PC, fan or fanless?
EquipmentRemote Astrophotography
Aug 31, 2025Jerry GerberPerfect post
Last post: Dale Ghent
Dale Ghent
Wayne Elley
Ed Dixon
Ejo Schrama
Al Loan
661.7k
7 days ago
Frédéric Ruciak
Inconsistency between NINA TTPA / reported PA by 10micron mount and wht PHD2 guiding assitant says
Open PHD Guiding Project PHD2Equatorial MountPolar Alignment +1
Jun 12, 2026Frédéric Ruciak
Last post: Willem Jan Drijfhout
Willem Jan Drijfhout
Dale Ghent
Alex Nicholas
Brian Puhl
Rick Krejci
9232
6 days ago
Ethan Sweet
Pixinsight process icons disappearing randomly from workspace
Pleiades Astrophoto PixInsight
Jun 10, 2026Ethan Sweet
Last post: Ethan Sweet
Michael
andrea tasselli
ArchStarGazer
Tony Gondola
786
5 days ago
Arthur Iyo
Minimum latitude for the Celestron AVX
Celestron Advanced VXEquatorial MountBeginner
Jun 17, 2026Arthur IyoNew contributor
Last post: Tony Gondola
Tony Gondola
19
4 days ago
Michael W. Dean
What quick-change adapter to get? Astro-Tech AT130EDT
EquipmentFlattenerFocuser +3
Jun 15, 2026Michael W. Dean
Last post: SonnyE
SonnyE
347
5 days ago
Steven Zuhoski
Issue with Deformed Stars
EquipmentRefractorsOptics +3
Jun 14, 2026Steven Zuhoski
Last post: andrea tasselli
andrea tasselli
Willem Jan Drijfhout
Tony Gondola
Pavel Lafata
8159
6 days ago
Niels_L
ASIAIR Autorun sequence changed behavior between filter selections
ZWO ASIAIR PlusSequencingTroubleshooting
Jun 17, 2026Niels_L
023
4 days ago
Paul Sanfilippo
Solar observing/imaging - interested in your experience.
Solar FilterSun
Jun 13, 2026Paul Sanfilippo
Last post: AdAstraAnimadverto
AdAstraAnimadverto
Matthew Singer
Michele Rainville
dan baldwin
Harlan Dolphy-King
8155
7 days ago
Paul Campbell
OAG Cost for C8
EquipmentReflectorsBackyard Astrophotography +1
Jun 12, 2026Paul Campbell
Last post: Jaume Benet
Jaume Benet
PaoloMoroni
Rostokko
Paul Larkin
Dave Stirling
20201
7 days ago
Ian Frost
OAG for a Askar 71f, 48mm or 54mm
ToupTek OAGRefractorsBeginner +1
Jun 16, 2026Ian Frost
025
5 days ago
Unified_Scale
Photos of anomalies or pareidolia(potentially) and other weird things that are interesting and need explanation.
ProcessingAdvancedChallenge +5
Jun 15, 2026Unified_ScaleNew contributor
Last post: Unified_Scale
267
6 days ago
Mike Thorpe
Bubble artifact in upper right corner with AR152 telescope
Explore Scientific AR152 Air-Spaced Doublet RefractorRefractorsProcessing +2
Jun 12, 2026Mike Thorpe
Last post: Mike Thorpe
Tony Gondola
Lynx Coleman
Connor Siedentop
9171
7 days ago
Christian Silk
FSCT8: Fast 8 Inch Schmidt-Cassegrain Telescope
EquipmentNews
Jun 4, 2026Christian Silk
Last post: andrea tasselli
andrea tasselli
Luka Poropat
Tony Gondola
Anthony (Tony) Johnson
chvvkumar
26623
8 days ago
Frédéric Ruciak
safety monitor looks like connected to Lunatico AAG CWbut never catch the safe status
The ASCOM Initiative ASCOMEquipmentObservatory +3
Jun 17, 2026Frédéric Ruciak
05
5 days ago
mainenebula
Tak FS-60CB imaging query
Takahashi FS-60CBAuto-Focusing
Jun 11, 2026mainenebula
Last post: Willem Jan Drijfhout
Willem Jan Drijfhout
356
8 days ago
Frédéric Ruciak
Lunatico Cloudwatcher AAG CW calibration at E-Eye in Spain
EquipmentObservatoryRemote Astrophotography +2
Jun 11, 2026Frédéric Ruciak
Last post: Frédéric Ruciak
Bill McLaughlin
Luka Poropat
382
9 days ago
Showing 1-50 of 8935