NGC 1637 - Spiral Galaxy in Eridanus

Imaged from Nova Scotia,Spring, 2025

Wikipedia Link for NGC 1637

LRGB Combination
Data
Altitude at culmination 43°
Minimum Airmass Value (sec z) 1.5
Taking Camera SBIG STL-11002XM Nova Scotia Spring, 2025, skies~mag 6.4 - CCD sensor @-20C
Imaging OTA AGO 14.5" iDK
Equivalent focal length and ratio 2465mm f/6.7
Mount Astro-Physics 1600GTO
Guiding PHD2/ONAG XM/Ultrastar
LRGB Integration Time 9hrs 10mins L 13X10 min, R-14X10 min, G-14X10 min, B-14X10 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 June 2025 PixInsight, Affinity Photo v.2.6.3 and Bob Franke's CCDBand-Aid

Use "Back" button or Return to Home