The Triplet in Leo
NGC 3623 a.k.a. M65, NGC 3627 a.k.a. M66 and NGC3628
Imaged from Nova Scotia, Winter, 2015
Wikipedia Link for NGC 3623 a.k.a. M65
Wikipedia Link for NGC 3627 a.k.a. M66
LRGB Image
Data
Altitude at culmination 59°
Minimum Airmass Value (sec z) 1.2
Taking Camera SBIG STL-11002XM
Nova Scotia Winter 2015, Skies ~mag 6.4, Sensor @-20C
Imaging OTA
Takahashi TOA-150 with TOA-67 Field Flattener
Equivalent focal length and ratio
1090mm f/7.3
Mount
Astro-Physics 1600GTO
Guiding
PHD2/MMOAG/SBIG ST-i
LRGB Image 10h10' total
L 34x10' RGB 9x10' ea. - Astrodon Gen 2 I series Filters. All inned 1X1
Acquisition
Main Sequence Software-Sequence Generator Pro
Calibration and Stacking
Darks, Flats and Bias - Stacked and calibrated with PixInsight
Reprocessed Jan 2023
PixInsight, Affinity Photo v.2.03 and Bob Franke's CCDBand-Aid
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