Globular Cluster in Libra - NGC5897

Imaged from Nova Scotia, Summer 2026

Wikipedia Link for NGC5897

 

Data
Altitude at culmination 24°
Minimum Airmass Value (sec z) 2.5
Mean FWHM with 14.5" 4.3 arc-s
Taking Camera SBIG STL-11002XM Nova Scotia Summer 2026, ~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/Ultrastar X-2
RGB Total Exposure Time 4hr 45mins R19x5 min, G19x5 min, B19x5 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, Affinity Photo v.2.6.5 and Bob Franke's CCDBand-Aid

 

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