OBJECT |
M20 - Trifid Nebula (image above is reduced-size crop | other sizes:
medium
, large)
Distance:
4,100 light years |
Telescope |
Takahashi TOA-130F @ f/7.7 |
Mount |
Astro-Physics AP1100GTO
(on ATS pier) |
Camera |
QSI 690wsg @ -10C |
Filters |
Astrodon H-alpha (3nm bandwidth), Astrodon Tru-Balance I-Series LRGB Gen
2 |
Guider |
SX Lodestar |
Settings |
16x5min L, 4x5min Ha (bin1x1); 4x5min ea RGB (bin2x2); AstroArt5,
PI, CS4 (uncropped, 10xdarks/flats/fdarks/bias) |
Date/Location
Notes
|
24 May 2023 - Las Cruces, NM
This image is LHaRGB.
|
Copyright Jeffrey O. Johnson
|