|
Image Information
|
Object |
M 81 |
|
Coordinates |
RA: 09 55
32.8
Dec: +69 03 54 Camera PA: 355.6 |
|
Imaging
by |
Greg
Morgan |
|
Date(s) |
March 24
to 30, 2009 |
|
Optics |
RCOS
12.5 inch f/9 Ritchey-Chrétien with a
2,857mm focal length |
|
Mount |
Paramount
ME |
|
Camera |
Apogee
Alta U16M, 9 micron 4098 x 4098 pixels |
|
Guiding |
Off-axis
with the Astrodon Monster MOAG and SBIG ST-402XM |
|
Field Scale |
0.64 arcseconds / pixel |
|
FOV |
43 x 27
arc minutes, N is to the right, E is up. |
|
Chip Temp |
-25 C |
|
Filter(s) |
Astrodon LRGB
Gen 2 |
|
Location |
Sierra
Remote Observatories, Shaver Lake California 4,610 feet |
|
Exposure(s) |
L = 10, R
= 12, G = 4, B = 8
x 1800 seconds (17 Hours
Total) |
|
Binning |
1x1 |
|
Camera control |
MaxIm DL 4 /
CCDAutopilot 3 |
|
Processing
software |
CCDStack, Photoshop CS2 |
|
Image notes |
CCDAutopilot
was used to collect data over multiple nights. |
|
