This is maybe the more famous triplet of
open cluster of the sky, in Auriga, with the Messier numbers of 37, 36
and 38 (from left to right). Near them there are the nebulas IC 405-410,
visible in the lower-right corner.
See also:
|
Technical Data
|
| Optics |
Photographic teleobjective |
| Focal Lenght |
200 mm |
| Focal Ratio |
f/5,6 |
| Exposure Time |
30 min exposure |
| Film |
Kodak E200 |
| Developement sensibility |
320 ISO |
| Location |
Pian dell'Armà
(PV, Italian Appennines), at 1400m |
| Date and time of exposure
start |
14 october 2001, 0.23
UT |
| Mount |
Meade 8" |
| Tracking |
ST4 |
| Temperature and humidity |
T=+8°C, RH=47% |
| Notes |
- |
