|
Technical Data
|
| Optics |
Newton 200 mm
(homemade by L. Comolli, F. Riccio e P. Battaglia)
|
| Focal Lenght |
1260 mm
|
| Focal Ratio |
f/6
|
| Corrector |
Baader MPCC
|
| Exposure Time |
2h50m (single
exp of 10 min)
|
| CCD |
Canon EOS 5D
with baader filter
|
| Location |
Bogli (PC,
Italian Appennines) at 1350 m height
|
Date
|
6 November
2010
|
| Mount |
Gemini G-41
|
| Tracking |
Lodestar on
an 80mm
f/5 refractor
|
| Temperature
and humidity |
T= 7°C,
RH=70%
|
| Sky brightness at zenith (with SQM-L) |
21.4-21.5 mag/arcsec^2 |
| Notes |
Great
transparency, but very bad seeing and strong wind, so the stars are not
pinpoints.
North at left.
|
