|
Technical Data
|
| Optics |
Newton 200 mm
(homemade by L. Comolli, F. Riccio and P. Battaglia)
|
| Focal Lenght |
1260 mm
|
| Focal Ratio |
f/6
|
| Corrector |
Baader MPCC
|
| Exposure Time |
2h (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
|
27 and 28 May
2011
|
| Mount |
Gemini G-41
|
| Tracking |
Lodestar on
an 80mm
f/5 refractor
|
| Temperature
and humidity |
T= +6°C,
RH=70%
|
| Sky brightness at zenith (with SQM-L) |
21.3 mag/arcsec^2 |
| Notes |
Bad seeing,
sky cleared after a thunderstorm. Veils and electronics problems ruined
part of the two nights. Moreover I got guiding problems (now solved),
so
the total exposure is limited even if I invested two nights.
|
