[Aavso-photometry] Question on ASAS182612 Campaign

Greg Crawford gc at nelsonbay.com
Mon Jun 11 12:22:02 EDT 2007


Alert notice 351 refers to the ASAS182612 Campaign and makes the following
comment on comparison stars:

>If you are going to use a single comparison star along with a check star, we
>recommend using:
>ID       RA(J2000) DEC           V     B-V    V-Rc   Rc-Ic  V-Ic
>comp  18:26:09.44 +12:17:37.2  11.914  0.748  0.444  0.432  0.876 check
>18:26:23.68 +12:15:47.2  10.892  0.665  0.383  0.358  0.738

The software I use (MPO Canopus) can use up to 5 comparison stars. I have vague
recollections of a recommendation on this list to use only one comparison star
so that corrections can be made more easily. Is it recommended in this campaign
that only *one* comparison star be used, (with check star, of course), for
reduced measurements?

Greg



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