The Crescent Nebula - in Cygnus - NGC6888
Imaged from Nova Scotia, Spring, 2015
HaRGB Combination Image
Data
Altitude at culmination 84°
Minimum Airmass Value (sec z) 1.0
Taking Camera SBIG STL-11002XM
Nova Scotia Spring 2015, ~mag 6.4 - @-20C
Imaging OTA
AGO 14.5" iDK
Equivalent focal length and ratio
2465mm f/6.7
Mount
Astro-Physics 1600GTO
Guiding
PHD2/MMOAG/Lodestar X-2
HaRGB
Ha 10X30min - Astrodon 5nm Ha Filter, RGB 30X10min each Astrodon Gen. 2 I Series Filters . All binned 1X1
Acquisition
Main Sequence Software-Sequence Generator Pro
Calibration and Stacking
Darks, Flats and Bias - Stacked and calibrated with PixInsight
Reprocessed Feb 2023
PixInsight, Affinity Photo v.2.04 and Bob Franke's CCDBand-Aid
Ha Only Image
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