M81-82 with supernova SN2014J

Click on the image for a high res version.

A supernova in a bright galaxy is a rare event and I tried to capture this phenomena in this short exposure taken at the end of a dark night, after the moonrise. Also very fast and simple elaboration.

Technical Data
Optics TEC 140
Focal Length
1011 mm
Focal Ratio f/7.2
Exposure Time Total 50 min, LRGB 20:10:10:10 min (single exp of 10 min)
CCD SBIG STL-11000M @-40°C
Location Pian dell' Armà (PV, Italian Apennines) at 1350 m height
26 January 2014
Mount Gemini G-41
Tracking Lodestar on an 80mm f/5 refractor
Temperature and humidity T= -1 °C, RH=50%
Sky brightness at zenith (with SQM-L) 21.3 mag/arcsec^2
Notes Imaged through deep veils that evolved into clouds and prevented for more exposure

HTML Editing and Publishing by Lorenzo Comolli. Email me at comolli@libero.it.
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