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| Optics | TEC 140 |
| Focal Lenght | 1011 mm |
| Focal Ratio | f/7.2 |
| Exposure Time | 6h30m
(single exp of 10 min) |
| CCD | Canon
EOS 5D with baader filter |
| Sensitivity | 800 ISO |
| Location | Bogli
(PC, Italian Appennines) at 1350 m height |
| Date |
1
October 2011 |
| Mount | Gemini
G-41 |
| Tracking | Lodestar
on an 80mm f/5 refractor |
| Temperature and humidity | T=
+11°C, RH=from 80 to 50% |
| Sky brightness at zenith (with SQM-L) | 21.2 mag/arcsec^2
(quite bad for this location) |
| Notes | - |
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