|
Machholz
- 12 December 2004
|
Machholz comet imaged more that a month
before perielium, with an interesting tail, the ion tail toward north
and the dust tail toward west, at nearly 90° angle.
|
Technical Data
|
| Optics |
Pentax 75 apo
refractor
|
| Focal Lenght |
500 mm
|
| Focal Ratio |
f/6.7
|
| Exposure Time |
Compositation
of 2 exposures of 30 min each
|
| Film |
Kodak E200
|
| Sensitivity |
320 ISO (push
+1)
|
| Location |
Capanne di
Cosola (AL, in the Italian Appennines) at 1500m heigth |
| Date and time
of exposure
start |
12 december
2005, 0.02 and 0.36 UT
|
| Mount |
Kenko NES
|
| Tracking |
ST4
|
| Temperature
and humidity |
T=0°C,
RH=34%
|
| Notes |
Tracking on
stars.
|
