by Herbert Walter, Austria
The loosly and colorful cluster M55 in the constellation Sagitarius appears with an extension of 2/3 of the full moon. There are less images from this cluster, so I tried it from Australia (remote).
More Info:
Telescope |
16'' RCOS (f=3700mm) |
RA/DE
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19 : 40 / -30 : 58
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Camera
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Apogee U9000 |
Size
|
19'
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Filter
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LRGB Astrodon filters
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Mag
|
6.3
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Exposure |
L 15 x 180 s RGB á 7 x 300s |
Distance
|
17300Ly
|
Total |
2h 30min |
Names
|
NGC 6809, GCL 113, ESO 460-SC21
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More Info
|
http://seds.org/messier/m/m055.html |
Software |
THELI, CCDStack, Photoshop CS3 |
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Date
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Aug 2010
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Location
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Northern Galactic Members Telescope Australia - Remote |