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Meridian Flip
Started by Dennis Spender · ...
Last post by Dennis Spender · ...
5 138 0 Dennis Spender
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Rokinon 135mm Lens issue
Started by Chris Parfett · ...123
Last post by Jon Rista · ...
62 1428 21 Jon Rista
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Imaging small, dim galaxies and wispy nebulae
Started by Don Bradford · ...
Last post by Tim Ray · ...
11 330 0 Tim Ray
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Why are many OSC users getting the Optolong UV-IR cut?
Started by messierman3000 · ...
Last post by Jean Barba · ...
8 528 0 Jean Barba
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Stacking data from different years
Started by Álvaro Méndez · ...
Last post by Álvaro Méndez · ...
3 114 0 Álvaro Méndez
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What do I do to upgrade my guiding performance?
Started by messierman3000 · ...12
Last post by AdrianC. · ...
48 1441 6 AdrianC.
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Is there a filter that enhances the blues in an OSC shot?
Started by DavesView · ...
Last post by Dominik · ...
14 319 3 Dominik
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Deep Sky Imaging from Bortle 8 - 9?
Started by Ralph Ford · ...12
Last post by shenmesaodongxia · ...
29 1186 12 shenmesaodongxia
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To keep or to ditch? [Poll]
Started by Omiros Angelidis · ...
Last post by messierman3000 · ...
2 224 3 messierman3000
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Strange Artifact I've Never Seen Before
Started by Jerry Gerber · ...
Last post by Brian Puhl · ...
7 177 6 Brian Puhl
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New version of Python script to generate target acquisition.csv file from image files in a format suitable for upload...
Started by Steve Greaves · ...
Last post by Steve Greaves · ...
1 149 3 Steve Greaves
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About the Gsense 4040 Sensor [Unanswered]
Started by Philipp Weber · ...
Last post by Philipp Weber · ...
0 49 0 Philipp Weber
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Interference-Style LP (Maybe even enhancement) filters, Fast Short Optics and the Problem with Long Period Variable S...
Started by Alan Brunelle · ...
Last post by Alan Brunelle · ...
5 372 6 Alan Brunelle
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Dirty mirror or poor seeing or faulty processing ?
Started by patrice_so · ...
Last post by patrice_so · ...
11 380 3 patrice_so
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Help with new light areas in narrow band subs
Started by Jim · ...
Last post by Skender Kajoshaj · ...
22 840 18 Skender Kajoshaj
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When do you call a Project finished?
Started by Jens · ...
Last post by Wei-Hao Wang · ...
14 475 1 Wei-Hao Wang
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Benefit of shorter exposures?
Started by Kyle Cerniglia · ...
Last post by Manuel Peitsch · ...
5 351 0 Manuel Peitsch
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Where to Look?
Started by Mossyback · ...
Last post by Mossyback · ...
11 468 2 Mossyback
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Strange lines in photos
Started by Jean-David Gadina · ...
Last post by Johannes Möslein · ...
8 279 2 Johannes Möslein
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Polar align with Sharpcap vs NINA app
Started by Georg N. Nyman · ...
Last post by Haakon Rasmussen · ...
13 510 0 Haakon Rasmussen
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LRGB vs RGB, trying to create an apples to apples comparison
Started by Sven Hoffmann · ...
Last post by AdrianC. · ...
15 1400 1 AdrianC.
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Best Session Management Software?
Started by AstroRBA · ...12
Last post by Claudio Tenreiro · ...
33 1435 0 Claudio Tenreiro
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How many subs to take
Started by vikas chander · ...
Last post by Dave Rust · ...
6 460 0 Dave Rust
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Remote Observatory Recommendations
Started by Nick Grundy · ...
Last post by Daniel Carter · ...
16 938 0 Daniel Carter
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Is this a diffraction spike?
Started by Menelaos · ...
Last post by Alejandro Navarro · ...
19 778 11 Alejandro Navarro
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Reflections galore. Filter or something else?
Started by Ashraf AbuSara · ...
Last post by Ashraf AbuSara · ...
5 263 4 Ashraf AbuSara
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Dark Skies and the VIIRS Radiance Data
Started by Danny Lee · ...
Last post by klm · ...
10 865 0 klm
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What's causing giant blue stars in this image? [Orion 120mm f/5 doublet w/Canon 550D]
Started by Robert Westbrook · ...
Last post by Dale Penkala · ...
5 538 1 Dale Penkala
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Dithering and fast telescopes
Started by Alejandro Navarro · ...
Last post by Alejandro Navarro · ...
4 330 0 Alejandro Navarro
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How to align guide star when using a Newtonian?
Started by PghAstroDude · ...
Last post by Rafał Szwejkowski · ...
1 255 0 Rafał Szwejkowski
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How to take advantage of a bortle 2 on a full moon.
Started by Tomás Andonie · ...
Last post by Brian Boyle · ...
3 275 0 Brian Boyle
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Wifi enabled power switches - recommendations
Started by Christopher Gomez · ...
Last post by Ross Salinger · ...
15 582 0 Ross Salinger
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Imaging smaller galaxies with a 8'' newtonian and a barlow
Started by patrice_so · ...12
Last post by Matthew Proulx · ...
34 1388 12 Matthew Proulx
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Blue flats no good; all others ok ??
Started by AstroRBA · ...
Last post by James Ross · ...
11 488 0 James Ross
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Streaks at all of my Lights
Started by Omiros Angelidis · ...
Last post by Omiros Angelidis · ...
8 483 2 Omiros Angelidis
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What's better? Long exposure time-low ISO or the opposite (DSLR/Mirrorless)
Started by Boyan Stiliyanov · ...
Last post by Scott Badger · ...
9 460 0 Scott Badger
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Extra long diffraction spike troubleshooting.
Started by Ashraf AbuSara · ...
Last post by patrice_so · ...
10 560 5 patrice_so
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Integration time / diminishing returns
Started by Peyton Lorimor · ...
Last post by Scott Badger · ...
13 1093 1 Scott Badger
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To guide or not to guide?
Started by Tomvp · ...
Last post by Rick Veregin · ...
14 446 0 Rick Veregin
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Weird rainbow pattern next to Alnitak
Started by Menelaos · ...
Last post by Don Roy · ...
3 264 2 Don Roy
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Red circle shapes and vignetting - request for advices
Started by Oussama Achhab · ...
Last post by Oussama Achhab · ...
13 368 3 Oussama Achhab
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Polar align “ahead” of time
Started by Christian Bennich · ...
Last post by patrice_so · ...
14 600 0 patrice_so
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Cause of this star flare artifacts. Alnitak's fault??
Started by FilippoTib · ...
Last post by FilippoTib · ...
13 300 5 FilippoTib
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Do you have a low temperature limit ?
Started by Eric Gagne · ...
Last post by Christian Großmann · ...
16 742 1 Christian Großmann
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Halo in my images
Started by Menelaos · ...
Last post by Jack Groves · ...
10 407 1 Jack Groves
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I cannot get my flat frames to work
Started by Menelaos · ...
Last post by Elmiko · ...
8 332 0 Elmiko
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Best Software for Connecting to a Remote Observatory
Started by Robert Gillette · ...12
Last post by Robert Gillette · ...
33 1394 0 Robert Gillette
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Going mono. how narrow to go?
Started by Mike Tettenborn · ...
Last post by Werner Stumpferl · ...
11 409 10 Werner Stumpferl
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Narrowband Flats with or without a filter?
Started by schmaks · ...
Last post by Brian Diaz · ...
13 847 2 Brian Diaz
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7 Language Versions of Imm Deep Sky Compendium Now Available [Unanswered]
Started by Gary Imm · ...
Last post by Gary Imm · ...
0 101 0 Gary Imm
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