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Astrophotography from Ursa Major Observatory @ ROSA

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“Alkor” Lacerta N25010c Newtonian, f/D = 4 SX Trius 694, Baader LRGB filter
10micron GM2000 HPS II, unguided
L 77x5min / RGB 36x5min per filter
15 h 25 min
data acquired remotely using CCD Commander
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NGC 3198 in Ursa Major
Barred Spiral Galaxy, SB(rs)c
8’x2.5’ (11’ were measured in the picture)
10.2 mag
UMa
2019-01-11+16 + 2019-02-06+07+08
47 Mio ly
In the picture many quasars can be identified - they are recognizable as rather blue objects. The redshift reaches up to z=2.540, which gives a lookback time of 11.26 billion years.