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IC 1276 - Palomar 7 in Serpens

Astrophotography from Ursa Major Observatory @ ROSA

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Globular star cluster (XII)
7.1’
10.3 mag
Ser
2017-07-24 + 25
Astro-Physics 175mm f/8 Starfire EDF with field flattener (f=1452mm)
10micron GM3000 HPS
L 30x6 min, RGB 10x6 min each
6h 00min
Camera:
Moravian G4-16000 with Baader filters
Calima ( a hot, sand laden wind that blows in from the Northern Sahara) worsened the transparency in the second night. Image acquisition by CEDIC team (Bernhard Hubl, Christoph Kaltseis, Markus Blauensteiner, Michael Hanl) Image processing by Bernhard Hubl
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17 600 Ly
IC 1276 (also known as Palomar 7) is a globular star cluster in constellation Serpens. Because of its position inside the Milky Way and its distance of 17,600 light-years the dust of the Milky Way reddens the colour of this globular cluster: E(B-V) = 0.92mag.