SHON - Visual estimates

TW Cas


Sobeslav, 1993
monocular Sport (refractor) 25 x 70
Prague, Petrin Hill Observatory, 1994-1995
20 cm refractor (focal length 137 cm), magnifying power 55 


Finding chart and comparison stars: BRNO K 
(different comparison stars were used in 1993 and 1994-1995)


Identifications of the variable and the comparison stars: 
TW Cas = HIP 12906 (V=8.35 mag)
Comparison stars used at the Petrin Hill Observatory (different from 
the stars denoted in the BRNO chart that were used at Sobeslav): 
a = HIP 12512 (V=8.59 mag)
b = HIP 13003 (V=9.10 mag)


1993:   24 estimates
1994:   77 estimates
1995:   16 estimates
Total: 117 estimates


Date   UT      Estimate
yyyy   hh:mm
dd.mm.


1993
01.08. 22:33   d 2 v 1 e
       23:02   d 1 v 2 e
       23:14   c 3 v 0 d 3 e
       23:25   c 3 v 1 d
       23:38   c 4 v 2 d
       23:53   c 2 v 2 d
02.08.  0:30   c 1 v 3 d
        1:09   c 1 v 3 d
1993
21.08. 20:40   c 3 v 2 d
       21:04   c 4 v 1 d
       21:29   c 4 v 0 d 2 e
       22:05   d 3 v 2 e
       22:28   d 3 v 1 e
       22:56   e 1 v
       23:15   d 3 v 1 e
       23:35   d 3 v 2 e
       23:53   d 2 v 3 e
22.08.  0:31   c 4 v 0 d 3 e
        0:49   c 3 v 1 d
        1:11   c 3 v 2 d
        1:29   c 2 v 3 d
        1:42   c 2 v 3 d
        2:09   c 1 v 3 d
        2:43   c 1 v 3 d


1994
03.08. 22:15   v 3 a
       22:33   v 3 a
       22:45   v 3 a
       23:00   v 2 a
       23:15   v 2 a
       23:31   v 1 a
       23:46   a 0 v 3 c     it is possible that instead of "c" 
04.08.  0:03   a 1 v 3 c     it should be "b"
        0:21   a 1 v 3 c
        0:40   a 0 v 3 c
        0:52   v 1 a
        1:10   v 2 a
        1:25   v 3 a
        1:43   v 3 a
        2:04   v 3 a
        2:30   v 3 a
1994
02.10. 20:20   v 3 a
       20:47   v 3 a
       21:09   v 3 a
       21:24   v 3 a
       21:36   v 2 a
       21:47   v 2 a
       21:58   v 2 a
       22:12   v 1 a
       22:32   a 0 v 3 b
       22:49   a 1 v 3 b
       23:04   v 1 a
       23:22   v 1 a
       23:43   v 2 a
       23:54   a 0 v 3 b
1994
01.11. 21:55   v 3 a
       22:13   v 3 a
       22:26   v 3 a
       22:43   v 2 a
       22:53   v 2 a
       23:05   v 2 a
       23:19   v 1 a
       23:31   v 1 a
       23:46   a 0 v 3 c
       23:59   a 1 v 2 c
02.11.  0:06   a 0 v 3 c
        0:08   v 1 a
        0:16   v 1 a
        0:23   v 2 a
        0:29   v 2 a
        0:39   v 3 a
        0:51   v 3 a
1994
04.11. 18:23   v 3 a
       18:41   v 3 a
       19:01   v 2 a
       19:11   v 2 a
       19:33   v 1 a
       19:44   v 1 a
       19:59   a 0 v 3 b
       20:17   a 0 v 3 b
       20:35   a 0 v 3 b
       20:57   v 2 a
       21:12   v 2 a
       21:23   v 3 a
       21:45   v 3 a
1994
01.12. 21:55   v 1 a
       22:10   v 1 a
       22:25   a 0 v 3 b
       22:40   a 0 v 3 b
       22:56   a 1 v 2 b
       23:16   a 2 v 2 b
       23:36   a 2 v 2 b
       23:49   a 2 v 2 b
       23:59   a 1 v 2 b
02.12.  0:08   a 1 v 2 b
        0:21   a 1 v 2 b
        0:42   a 0 v 3 b
        0:55   a 0 v 3 b
        1:09   v 1 a
        1:29   v 2 a
        1:48   v 3 a
        2:00   v 3 a


1995
01.03. 21:27   v 3 a
       21:49   v 3 a
       22:06   v 2 a
       22:20   v 2 a
       22:30   v 1 a
       22:40   a 0 v 3 b
       22:56   a 1 v 2 b
       23:09   a 0 v 3 b
       23:25   a 0 v 3 b
       23:27   v 1 a
       23:38   v 1 a
       23:58   v 2 a
02.03.  0:08   v 2 a
        0:23   v 2 a
        0:34   v 3 a
        0:46   v 3 a