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Just Checking, is that dew?
Started by AstRobert · ...
Last post by jmdl101 · ...
2 163 1 jmdl101
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Antlia 2.5nm OIII Ultra Filter - NIR Transmission
Started by Jacob Heppell · ...123
Last post by Jacob Heppell · ...
65 2176 39 Jacob Heppell
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NGC 6144
Started by Jerry Gerber · ...
Last post by Jon Rista · ...
6 397 0 Jon Rista
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Presentation "Noise and Astrophotography"
Started by Christian Großmann · ...12
Last post by Jon Rista · ...
47 1809 18 Jon Rista
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Blue Reflections of Bright Stars
Started by David Andra · ...12
Last post by Vandewattyne · ...
41 1889 16 Vandewattyne
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Can what I’m seeing be real?
Started by John Stone · ...12
Last post by Jon Rista · ...
29 980 3 Jon Rista
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Troubleshooting Guiding Issues with ASIAIR Plus
Started by Derek Vasselin · ...
Last post by Leonardo Ruiz · ...
23 443 7 Leonardo Ruiz
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Chance to spend a couple of nights in Bortle 1/2; what's best to focus on?
Started by Rostokko · ...
Last post by Rostokko · ...
16 467 0 Rostokko
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issue with my stack
Started by Renaat Vandewiele · ...
Last post by Brian Diaz · ...
4 119 6 Brian Diaz
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RC Blur Exterminator. Poor star shape/ eccentricity of input images has little deleterious impact on the quality...
Started by Tim Hawkes · ...
Last post by Tim Hawkes · ...
22 1137 7 Tim Hawkes
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Which camera/filters are best for Bortle 1 Skies?
Started by John Stone · ...
Last post by Gilmour Dickson · ...
9 543 0 Gilmour Dickson
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Filters in series
Started by framoro · ...
Last post by andrea tasselli · ...
2 83 0 andrea tasselli
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Short vs. Long Exposures
Started by andrea tasselli · ...1234
Last post by Jon Rista · ...
96 4209 34 Jon Rista
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Combining and/or stacking Newton with Refractor Data
Started by Dcolam · ...
Last post by andrea tasselli · ...
10 298 9 andrea tasselli
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Dark Filter for Making Darks, Making Flats Remotely
Started by Jerry Gerber · ...
Last post by Seung-Jun Kim · ...
12 461 0 Seung-Jun Kim
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Opinions on collecting and combining data from different setups
Started by Christian Großmann · ...
Last post by Tim Hawkes · ...
10 141 0 Tim Hawkes
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How many darks do you use for your cooled camera?
Started by messierman3000 · ...1234
Last post by Jon Rista · ...
90 3621 4 Jon Rista
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Flats and Darks for Flats acquisition using ASI AIR PLUS - Duration Matching
Started by Dhiraj Patil · ...
Last post by polaco_cosmico · ...
4 317 0 polaco_cosmico
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Thinking about joining Telescope Live or some other service : opinions, reviews, howtos?
Started by Rob Calfee · ...12345
Last post by Jean-David Gadina · ...
117 6242 5 Jean-David Gadina
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Effects of increasing moon, decreasing darkness and descending target over 4 consecutive nights
Started by Christian Bennich · ...
Last post by Christian Bennich · ...
6 351 4 Christian Bennich
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Comet shooting - DSLR or mono ?
Started by DanyJrt · ...
Last post by Nick Loveday · ...
2 146 0 Nick Loveday
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The Newtonian add-on that you've never heard of
Started by messierman3000 · ...
Last post by Filippo Scopelliti · ...
21 673 4 Filippo Scopelliti
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New Celestron Starsense Autoguider for SCT
Started by George Hatfield · ...
Last post by Mike P · ...
7 643 0 Mike P
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FITS Compression
Started by blackrig · ...
Last post by Eric B. · ...
2 139 1 Eric B.
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What are these strange reflections?
Started by Willem Jan Drijfhout · ...
Last post by Willem Jan Drijfhout · ...
2 145 1 Willem Jan Drijfhout
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ASI 2600MM Kit?
Started by Chuck Schreiner · ...
Last post by John Stephens · ...
11 341 0 John Stephens
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Binning in astrophotography
Started by Francois Theriault · ...12
Last post by Freestar8n · ...
26 1158 5 Freestar8n
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Mars in May [Poll]
Started by Alien_Enthusiast · ...
Last post by akion · ...
4 225 0 akion
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Remote Focusing
Started by Jerry Gerber · ...
Last post by Nick Grundy · ...
11 252 0 Nick Grundy
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Flat Panel for Refractors At Remote Sites
Started by Jerry Gerber · ...12
Last post by David Rosenthal · ...
38 1316 8 David Rosenthal
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Acquisition/Processing artifact or new supernova?
Started by Jaime Zapata · ...
Last post by Brian Puhl · ...
2 161 1 Brian Puhl
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Flat Frames ADU too low?
Started by Menelaos · ...
Last post by dkamen · ...
2 136 0 dkamen
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Intro to Momo - Non-cooled camera
Started by Craig Dixon · ...
Last post by andrea tasselli · ...
7 181 0 andrea tasselli
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Narrowband filter weird results
Started by Francois Donnet · ...
Last post by Francois Donnet · ...
4 190 6 Francois Donnet
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Anyone Using Digital Loggers Switch with ITS ASCOM Driver?
Started by Robert Gillette · ...
Last post by Arnie · ...
8 196 1 Arnie
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Elongated stars
Started by Carlo Paschetto · ...
Last post by AstroShed · ...
14 328 2 AstroShed
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To mono, or not to mono... That is the question.
Started by DavesView · ...12
Last post by Kay Ogetay · ...
48 1315 0 Kay Ogetay
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Moving to remote hosting site
Started by Willem Jan Drijfhout · ...
Last post by Willem Jan Drijfhout · ...
11 718 1 Willem Jan Drijfhout
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Choosing a Remote Telescope Site
Started by Jerry Gerber · ...12
Last post by Kevin Morefield · ...
43 1268 2 Kevin Morefield
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Is 5 minutes exposures too long for small galaxies ?
Started by Eric Gagne · ...
Last post by Brian Puhl · ...
11 499 1 Brian Puhl
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Free Data - Thor's Helmet Bicolor w/ RGB Stars (Coupon no longer needed)
Started by Bill Long - Dark Matters As... · ...
Last post by Armin Lukas · ...
13 786 5 Armin Lukas
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Let's discuss about dark, bias, dark-flats...
Started by Daniel Arenas · ...12345
Last post by Marcelof · ...
106 5111 23 Marcelof
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Free Orion Nebula Data (No longer valid)
Started by Bill Long - Dark Matters As... · ...12
Last post by Bill Long - Dark Matters As... · ...
46 3730 21 Bill Long - Dark Matters As...
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Are secondary mirror heaters not good?
Started by messierman3000 · ...
Last post by Arun H · ...
15 484 0 Arun H
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Doubled bhatinov spikes.
Started by Sean Mc · ...
Last post by John Hayes · ...
8 176 0 John Hayes
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Guiding with Asi 1600/294 mm pro
Started by Leonardo Landi · ...
Last post by Dunk · ...
4 118 0 Dunk
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Finding targets to shoot
Started by Peter Gottstein · ...
Last post by Liam Jones · ...
16 398 0 Liam Jones
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Galaxy Season is here!
Started by Mike H · ...
Last post by Oskari Nikkinen · ...
1 220 0 Oskari Nikkinen
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OSC filter for 135 Rokinon at f2.8
Started by Dan Kearl · ...
Last post by andrea tasselli · ...
3 156 0 andrea tasselli
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Weirdly different flats on Newton vs EdgeHD
Started by Arny · ...
Last post by Arny · ...
18 423 7 Arny
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