The Globular Cluster in Hercules - M13

Imaged from Nova Scotia, Summer 2017

 

 

 

 

 

 

Data
Altitude at culmination 82
Minimum Airmass Value (sec z) 1.0
Mean FWHM 3.6 arc-s
Taking Camera SBIG STL-11002XM Nova Scotia Summer 2017, ~mag 6.4 - no moon @-20C
Imaging OTA AGO 14.5" iDK
Equivalent focal length and ratio 2465mm @ f/6.7
Mount Astro-Physics 1600GTO
Guiding PHD2/ONAG_XT/Lodestar X-2
LRGB R15x5 min, G15x5 min, B24x5 min, Lum-15x5 min-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
Processed PixInsight, Adobe Photoshop CS4 and Bob Franke's CCDBand-Aid

 

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