The big nebula often visible in many Cepheus
images obtained with 50 or 28mm objectives, is IC 1396. It's circular shape
with many dark nebulas on it, make it resemble Rosette nebula, that however
is more bright.
|
Technical Data
|
| Optics |
Photographical objective |
| Focal Lenght |
200 mm |
| Focal Ratio |
f/5,6 |
| Exposure Time |
40 min exposure |
| Film |
Kodak E200 |
| Developement sensibility |
320 ISO |
| Location |
Colle del Nivolet (AO,
Italian Alps) at 2600m |
| Date and time of exposure
start |
22 july 2001, 23.04 UT |
| Mount |
Meade 8" |
| Tracking |
ST4 |
| Temperature and humidity |
T=+4°C, RH=80% |
| Notes |
- |
