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[vsnet-obs 7499] Sept. 23, 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:

2048+43      V751 CYG   2450710.4423   1997-09-18   0.9423      16.2
2137+48      V1251 CYG  2450710.4652   1997-09-18   0.9652      <16.5
2158+41      BL LAC     2450710.4638   1997-09-18   0.9638      14.6
1930+31      V795 CYG   2450710.4604   1997-09-18   0.9604      <16.4
2131+39      V632 CYG   2450710.4666   1997-09-18   0.9666      <16.3
2131+40      V630 CYG   2450710.4708   1997-09-18   0.9708      <16.1
2335+12      HX PEG     2450710.4743   1997-09-18   0.9743      14.7
2318+17      IP PEG     2450710.4763   1997-09-18   0.9763      15.0
0104+27      VAR PSC    2450710.4798   1997-09-18   0.9798      15.2
0309+42      QY PER     2450710.4826   1997-09-18   0.9826      <16.0
0243+37      PY PER     2450710.4840   1997-09-18   0.9840      <16.0
0236+37      PV PER     2450710.4868   1997-09-18   0.9868      <16.4
0203+56A     UV PER     2450710.4937   1997-09-18   0.9937      <17.2
0211+40      KV AND     2450710.4972   1997-09-18   0.9972      14.8,
outburst
0220+37      FS AND     2450710.5   1997-09-19   0.0000      <16.0
0109+37      FO AND     2450710.5034   1997-09-19   0.0034      <16.4
0106+34      FN AND     2450710.5055   1997-09-19   0.0055      <16.0
0036+26      LL AND     2450710.5104   1997-09-19   0.0104      <16.0
0339+29      OV TAU     2450710.5138   1997-09-19   0.0138      16.0
1925+54      USNO 1425  2450710.2805   1997-09-18   0.7805      14.9,
the time series shows superhumps (< 0.1 mag) although the
amplitude of the humps are at the same level as the noise in the series
(the bright moon was quite disturbing)

1925+54      USNO 1425  2450711.2986   1997-09-19   0.7986      15.1,
part of time series that I haven't had time to reduce yet.
1858+42      V493 LYR   2450711.4444   1997-09-19   0.9444      <16.4
1904+43      MV LYR     2450711.4451   1997-09-19   0.9451      14.5
1905+42      V363 LYR   2450711.4465   1997-09-19   0.9465      <15.5
1925+42      V1504 CYG  2450711.4486   1997-09-19   0.9486      <16.0
2008+42      V1316 CYG  2450711.4513   1997-09-19   0.9513      14.4
2158+41      BL LAC     2450711.4583   1997-09-19   0.9583      14.9
2103+36      V1060 CYG  2450711.4548   1997-09-19   0.9548      <16.3
2335+12      HX PEG     2450711.4618   1997-09-19   0.9618      13.4,
outburst
2325+43      DX AND     2450711.4638   1997-09-19   0.9638      14.3
0211+40      KV AND     2450711.4694   1997-09-19   0.9694      15.1,
outburst fading
0220+37      FS AND     2450711.4826   1997-09-19   0.9826      15.5,
outburst
0036+26      LL AND     2450711.4784   1997-09-19   0.9784      <16.0
0216+42      3C 66A     2450711.4854   1997-09-19   0.9854      15.2

1925+54      USNO 1425  2450714.2833   1997-09-22   0.7833      16.5,
faint
2158+41      BL LAC     2450714.2923   1997-09-22   0.7923      14.6
1944+36A     V811 CYG   2450714.2979   1997-09-22   0.7979      15.2,
faint again

Regards 

Lasse Teist Jensen (JLT)