Hale-Bopp
- 16 march 1997
|
A 200mm lens have one of the best focal
lenght for imaging Hale-Bopp. Here are visible also the syncronic bands,
those linear striation in the dust tail.
Technical Data
|
Optics |
Photographical objective |
Focal Lenght |
200 mm |
Focal Ratio |
f/3,5 |
Exposure Time |
4 min 40 sec |
Film |
Scotch Chrome 800-3200 |
Developement sensibility |
3200 ISO |
Location |
San Martino (VA, on the
Italian Prealps) at 1083m |
Date and time of exposure
start |
16 march 1997, 3.10 UT |
Mount |
Meade 2080 |
Tracking |
Manual |
Notes |
Rescanned in 2002 |