1553+113 (PG 1553+113; 1ES 1553+11.3)
Coordinates
α = 15:55:43.044, δ = +11:11:24.37 (2000)
Landessternwarte Heidelberg-Königstuhl
Comparison stars
star
U
B
V
R
I
1
16.9
16.2
2
17.3
15.7
3
15.9
14.6
4
16.0
14.7
5
16.6
15.7
6
19.1
16.5
comparison stars from Monet et.al., 1998, USNO 2.0 Catalogue
Field of view is 10'x10'
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M.Hauser@lsw.uni-heidelberg.de