SHON - Visual estimates

BM Ori


Prague, Petrin Hill Observatory
20 cm refractor (focal length 137 cm), magnifying power 137 
(Sep 4, Sep 5, Oct 3, Nov 16-17, Dec 5-6, 1994)
35 cm Maksutov-Cassegrain telescope (focal length 330 cm), 
magnifying power 132 (Oct 9, Dec 6, 1994) and 206 (Nov 5, 1994)


Finding chart and comparison stars: private chart of P. Molik


Identifications of the variable and the comparison stars: 
BM Ori  R.A.(2000) = 05 35 16.0, Decl.(2000) = -05 23 03.9
a = TYC 4774.0849 (V= 8.56 mag)
b = TYC 4774.0823 (V= 9.03 mag)
c = TYC 4774.0867 (V= 9.11 mag)
d = TYC 4774.0829 (V= 9.87 mag)
e = TYC 4774.0890 (V=10.05 mag)
(identifications of comparison stars should be verified in GSC)


1994:  21 estimates
Total: 21 estimates


Date   UT      Estimate
yyyy   hh:mm
dd.mm.


1994
04.09.  3:17   a 3 v 1 b
05.09.  3:27   a 3 v 2 b
03.10.  2:27   d 2 v 0 e 3 f
1994
09.10.  1:25   c 2 v 2 d
        2:03   c 3 v 2 d
        3:22   c 4 v 2 d
1994
05.11.  1:28   c 4 v 3 d
        3:19   c 3 v 3 d
1994
16.11. 23:27   d 2 v 2 e
17.11.  0:42   c 4 v 2 d
        1:54   c 2 v 3 d
        3:15   c 1 v 3 d
        4:12   a 3 v 0 b 2 c
        5:07   a 3 v 1 b
1994
05.12. 22:20   a 2 v 3 b      137x
       22:47   a 3 v 3 b      -"-
       23:23   a 3 v 3 b      -"-
       23:52   a 2 v 3 b      -"-
06.12.  0:37   a 2 v 3 b      -"-
        1:26   a 2 v 2 b      -"-
        2:33   a 2 v 3 b      132x