Click on above image for hires.
|
|
|
|
|
| Optics | Zenith |
| Focal Lenght | 16 mm |
| Focal Ratio | f/4 |
| Exposure Time | 36 min
(single exp of 4 min) |
| CCD | Canon EOS 5D
with baader filter |
| Location | Pian
dell'Armà (PV, Italian Appennines) at 1350m height |
| Date |
4 july 2008 |
| Mount | Gemini G-41 |
| Tracking | no corrections |
| Temperature and humidity | T=+14°C,
RH=55% |
| Sky
brightness at zenith (with SQM-L) |
21.3
mag/arcsec^2 |
| Notes | - |
|
|
 |