| Comet
Ikeya-Zhang
(~ RA 00h 09m, Dec 50º 00') |
| <<
Main |
| Photography
of Comet Ikeya-Zhang on April 11, 2002. The coma apparently has an interesting
blue-green color which is also reported by other observers.
|
 |
| The
comet's path as illustrated by Starry Night™ (a software by SPACE.com).
This illustration is rotated to match the orientation of the photograph
above. The two bright stars on the left of the photograph are Alpha (top) and Beta Cassiopeia. |
 |
| Camera: |
Canon
G1 Digital |
Category: |
Astronomy |
| Condition: |
Outdoor
at Night |
Ext.
Light Source: |
None |
| Format: |
JPEG
2048 x 1537 (fine) |
F-Stop: |
2.0 |
| Speed: |
8
sec |
Exposure
Comp.: |
0 |
| ISO: |
100 |
Metering
Mode: |
Center-Weighted
Ave. |
| White
Balance Mode: |
Daylight |
Distance: |
Infinite |
| Focal
Length: |
21
mm |
Tripod: |
Yes |
| Filter: |
None |
Resized: |
Yes |
| Flash: |
None |
Editing
Software: |
Photoshop
6 |
| Other: |
Employed
"darkfield subtraction" and
"screened-stacking" techniques to remove CCD noise and
produce the effect of longer exposure, respectively. |
(C) 2002 by Arif.
Email at arif06880@yahoo.com. |