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Optics | TEC 140 |
Focal Length |
1011 mm |
Focal Ratio | f/7.2 |
Exposure Time | Total 4 h 50 min, composed of Ha-RGB 150:40:40:60 min (single exp of 30 min for Ha, 10 min for RGB) |
CCD | SBIG STL-11000M @-35°C |
Location | Pian dell'Armà (PV, Italian Apennines) at 1350 m height |
Date |
5 February 2016 |
Mount | Gemini
G-41 |
Tracking | Lodestar
on an 80mm f/5 refractor |
Temperature and humidity | T= (+2 to -1) °C, RH=(60 to 80) % |
Sky brightness at zenith (with SQM-L) | 21.3 mag/arcsec^2 |
Notes | . |
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