[vsnet-ecl 4004] beta Per observations by Mr.Gan (30/Aug/2010)

[K.Nagai]

beta Per observations by Mr.Gan (30/Aug/2010)

object         YYMMDD(UT)        mag     code
PERbeta        20100830.62163    2.86cG  Gah
PERbeta        20100830.62838    2.95cG  Gah
PERbeta        20100830.63532    2.93cG  Gah
PERbeta        20100830.64226    2.93cG  Gah
PERbeta        20100830.64902    3.06cG  Gah
PERbeta        20100830.65579    3.05cG  Gah
PERbeta        20100830.66272    3.12cG  Gah
PERbeta        20100830.66966    3.13cG  Gah
PERbeta        20100830.67661    3.14cG  Gah
PERbeta        20100830.68355    3.24cG  Gah
PERbeta        20100830.69050    3.21cG  Gah
PERbeta        20100830.69744    3.12cG  Gah
PERbeta        20100830.70439    3.21cG  Gah
PERbeta        20100830.71133    3.15cG  Gah
PERbeta        20100830.71829    3.16cG  Gah
PERbeta        20100830.72524    3.08cG  Gah
PERbeta        20100830.73219    3.02cG  Gah
PERbeta        20100830.73912    2.98cG  Gah
PERbeta        20100830.74606    2.90cG  Gah
PERbeta        20100830.75301    3.03cG  Gah

observer: Gan Hiromichi (Kanagawa,Japan)
Instruments: Canon 20D, Nikon 24mm lenz(F4), 15sec exp.

measured from G-channel images
magnitude references: Tycho-2 V magnitude

minI PERbeta 2455439.1956 0.0022 Hel Gah n=20 cG (calculated by Nagai)

beta Per JD(hel)=2455439.1956 C=2455439.0923 E=3417 O-C=+0.1033

min=2445641.5135+2.8673043xE (GCVS, Samus et al., 2009)


              - 30/Aug/2010 beta Per (By Mr.Gan) -
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