NGC 3521 - The "Flocculent" Galaxy in Leo

Imaged from Nova Scotia, Winter 2017

 

 

 

 

 

 

LRGB Combination
Data
Altitude at culmination 45
Airmass Value (sec z) 1.4
Taking Camera SBIG STL-11002XM Nova Scotia Winter, 2017, ~mag 6.4 - @-20C
Imaging OTA AG Optics iDK 14.5"
Equivalent focal length and ratio 2465mm f/6.7
Mount Astro-Physics 1600GTO
Guiding PHD2/ONAG-XM/Lodestar X2
LRGB Total Integration Time 14hrs30mins L 33X10min, R18x10 min, G-18x10 min, B18x10 min-Astrodon Gen 2 I series Filters. Binned 1X1
Acquisition Main Sequence Software-Sequence Generator Pro
Calibration and Stacking Darks, Flats and Bias - Stacked and calibrated with PixInsight
Processed PixInsight and Bob Franke's CCDBand-Aid

 

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