[vsnet-ecl 3729] beta Per observations by K.Imamura (18/Dec/2009)

[K.Nagai]

Visual magnitude estimates by VSOLJ members

object         YYMMDD(UT)       mag  code
PERbeta        20091218.443      27  Iak
PERbeta        20091218.453      28  Iak
PERbeta        20091218.459      30  Iak
PERbeta        20091218.461      31  Iak
PERbeta        20091218.467      31  Iak
PERbeta        20091218.481      33  Iak
PERbeta        20091218.494      34  Iak
PERbeta        20091218.501      34  Iak
PERbeta        20091218.507      33  Iak
PERbeta        20091218.519      33  Iak
PERbeta        20091218.616      25  Iak

observer: K. Imamura (Okayama, Japan)
instruments: 7x50B

minI PERbeta 2455184.003 - Hel Iak n=11 (calculated by Nagai)

beta Per JD(hel)=2455184.003 C=2455183.902 E=3328 O-C=+0.101


    - 18/Dec/2009 beta Per (By K.Imamura) -
02 +                                     
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    +------+------+------+------+------+-
   10     11     12     13     14     15 (UT)