|
Image Information
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Object |
M101 UMa
The Pinwheel Galaxy |
|
Coordinates |
RA: 14 03
12.5 Dec: +54 20 55 PA:
355 |
|
Imaging
by |
Greg
Morgan |
|
Date(s) |
June 8-10, 2008
|
|
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 |
32' x 43' N is up, E is to the
left. |
|
Chip Temp |
-15 C |
|
Filter(s) |
Astrodon LRGB |
|
Location |
Sierra
Remote Observatories, Shaver Lake California 4,610 feet |
|
Exposure(s) |
L 6
x 1800 , R 6 x 1800, G 4 x 1800, B 4 x 1800 seconds (10 Hours
Total) |
|
Binning |
1x1 |
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Camera control |
MaxIm DL 4 /
CCDAutopilot 3 |
|
Processing
software |
CCDStack, Photoshop CS2 |
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Image notes |
LRGB only, no
Ha data. |
|