A short polar rotation with a "meteor effect"
caused by the progressive misting up of the front lens on the objective.
In the bottom-left part of the image there are some small lights from the
telescopes.
Technical Data
|
Optics |
Photographical objective |
Focal Lenght |
16 mm |
Focal Ratio |
f/5,6 |
Exposure Time |
20 min exposure |
Film |
Kodak PJM |
Developement sensibility |
640 ISO |
Location |
Capanne di Cosola (PV,
in the Italian Appennines) at 1500m |
Date and time of exposure
start |
1 april 2000, 23.30 UT |
Mount |
Fixed tripod |
Tracking |
- |
Notes |
- |