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Messier 55 in Sagittarius

Astrophotography from Ursa Major Observatory @ ROSA

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Globular cluster (XI)
+ 6.3 mag
Sgr
17 000 Ly
2015-10-12+14+15
Hacienda los Andes / Chile (1100m)
RCOS RC 14.5” f/9
Astro Physics AP1200GTO
L 6x8 + 2x3min, RGB 15x3 min each
3h 09min
Camera:
FLI PL16070 with Astrodon filters
Image acquisition by CEDIC team (Markus Blauensteiner, Bernhard Hubl, Christoph Kaltseis) Image processing by Markus Blauensteiner
Messier 55 is a quite large globular star cluster in the constellation Sagittarius, but it has a very loose appearence.
19.1’
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