[vsnet-ecl 6235] YY Eri observations (4/Feb/2017)

[K.Nagai]

KOGAKUIN UNIVERSITY Natural Science Club and Meiji University Astronomy Club j
ointly observed YY Eri.

object         YYMMDD(UT)        mag    observer
ERIYY        20170204.41079    8.296cG  Kun.VSOLJ
ERIYY        20170204.41311    8.462cG  Kun.VSOLJ
ERIYY        20170204.42012    8.597cG  Kun.VSOLJ
ERIYY        20170204.42071    8.613cG  Kun.VSOLJ
ERIYY        20170204.42953    8.853cG  Kun.VSOLJ
ERIYY        20170204.45168    9.095cG  Kun.VSOLJ
ERIYY        20170204.45854    8.690cG  Kun.VSOLJ
ERIYY        20170204.46521    8.806cG  Kun.VSOLJ
ERIYY        20170204.47512    8.557cG  Kun.VSOLJ
ERIYY        20170204.47567    8.479cG  Kun.VSOLJ
ERIYY        20170204.48189    8.388cG  Kun.VSOLJ
ERIYY        20170204.49492    8.374cG  Kun.VSOLJ

Observer:
 KOGAKUIN UNIVERSITY Natural Science Club &
 Meiji University Astronomy Club (Tokyo,Japan)

instruments: Nikon D7100 f=105mm(F5.6) ISO800 30sec exp.

measured from G-channel images
magnitude references: AAVSO sequence

minI ERIYY 2457788.946 0.003 Hel Kun.VSOLJ n=12 cG

YY Eri JD(hel)=2457788.946 C=2457788.787 E=50412 O-C=+0.159 cG

min=2441581.624+0.32149415xE (GCVS, Samus et al., Nov.2016)


         - 04/Feb/2017 YY Eri -
08 +                                     
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   09          10          11          12 (UT)