All Images Copyright Rod Gallagher Click on image to see full size
M51 -- Whirlpool Galaxy
Object
|
Type |
Spiral Galaxy |
|
Constellation |
Canes Venatici |
|
Distance |
31M light years |
|
Magnitude |
8.4 |
|
Size |
11.2 x 6.9 arc-min |
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|
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Image
|
Date |
2011-07-02 |
|
Place |
Cheddar Ranch Observatory |
|
Exposure Data |
LRGB 120:60:60:60 mins @ -5C |
|
|
Lum 24x5, R 12x5, G 12x5, B 12x5 |
|
Notes |
RGB filters binned 2x2 |
|
|
NGC 5195 is the interacting galaxy to the left of M51 |
|
|
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Equipment
|
Optics |
Takahashi TOA-150 |
|
Focal Length |
1100 mm @f/7.3 |
|
Mount |
Paramount ME |
|
Camera |
SBIG ST-10XME |
|
Focuser |
RoboFocus |
|
Filters |
CFW-10, Astrodon LRGB |
|
Software |
TheSky6, TPoint, CCDSoft, CCDAutopilot4, CCDStack 2+, PhotoShop CS6, eXcalibrator |
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Reprocessed on 01/18/2015 |