While the telescopes automatically work
with autoguiders, we devote to the observations with other telescopes (out
of field) and to take images like this, with light games that created virtual
inscription in the air. My telescope in the one ahead, while the one behind
with the camper is of the friends Giosuè and Gigi Ghioldi.
|
Technical Data
|
| Optics |
Photographical objective |
| Focal Lenght |
28 mm |
| Focal Ratio |
f/11 |
| Exposure Time |
1h 20m exposure |
| Film |
Kodak E200 |
| Developement sensibility |
320 ISO |
| Location |
Capanne di Cosola (PV,
in the Italian Appennines) at 1500m |
| Date and time of exposure
start |
15 may 2002, 23.40 UT |
| Mount |
Fixed tripod |
| Tracking |
- |
| Notes |
- |
