Ikeya-Zhang
- 14 may 2002
|
The comet was going far from the Sun and
was lowering its brightness. But two faint tails were visible, at an angle
of 80° eachother. The brightest star is Eta Herculis of magnitude 3,5.
See also the shot
with 200mm.
Technical Data
|
Optics |
Pentax 75 apochromatic
refractor |
Focal Lenght |
500 mm |
Focal Ratio |
f/6,7 |
Exposure Time |
45 min exposure |
Film |
Kodak E200 |
Developement sensibility |
320 ISO |
Location |
Capanne di Cosola (AL,
on the Appenninus, Italy) at 1500m |
Date and time of exposure
start |
14 may 2002, 23.24 UT |
Mount |
Gemini G41 |
Tracking |
ST4 |
Temperature and humidity |
T=+7°C, RH=50% |
Notes |
- |