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[vsnet-obs 5572] April 17, CCD, JLT



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PHOTOMETRIC CCD OBSERVATIONS OF VARIABLE STARS
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CENTER FOR BACKYARD ASTROPHYSICS  (CBA) DENMARK
Observer   :  Lasse Teist Jensen
Address     : Suhrs Alle 5, DK - 3520 Farum , Denmark
E-mail        : ltj@tt.dk
CBA Denmark Page: http://vsnet.astro.columbia.edu/~cba/dk
Instruments:  0.25-m f/6.3 SCT , ST-6 SBIG CCD

Dear Colleagues,

Selected CCD results:

0940+45      DV UMA     2450554.3062   1997-04-15   0.8062      15.72,
eclipse timing
0940+45      DV UMA     2450554.3944   1997-04-15   0.8944      16.02,
eclipse timing
0940+45      DV UMA     2450554.4784   1997-04-15   0.9784      16.20,
eclipse timing
DV UMa has become fainter. But the humps are still very prominent.
Interesting to see how the humps change position when compared to the
position of the eclipses.

0000+00      PG1000+667 2450554.5826   1997-04-16   0.0826      15.5
1508+23      SER1       2450554.5930   1997-04-16   0.0930      <16.5
1048+30      SX LMI     2450554.5875   1997-04-16   0.0875      14.35,
outburst
1920+52      V1113 CYG  2450554.6062   1997-04-16   0.1062      14.6,
outburst
2137+48      V1251 CYG  2450554.6076   1997-04-16   0.1076      <16.0
1925+42      V1504 CYG  2450554.6159   1997-04-16   0.1159      <15.7
2027+52      V1974 CYG  2450554.6111   1997-04-16   0.1111      15.6,
still  there
2048+43      V751 CYG   2450554.6131   1997-04-16   0.1131      <16.1
1930+31      V795 CYG   2450554.6027   1997-04-16   0.1027      14.1,
outburst
1556+33      VAR21 CRB  2450554.5951   1997-04-16   0.0951      <17.2
1621+39      VAR43 HER  2450554.5986   1997-04-16   0.0986      <17.0
1759+05      VAR25 OPH  2450554.6006   1997-04-16   0.1006      <16.5

Regards 

Lasse Teist Jensen (JLT)