[vsnet-obs 86217] VS observations by Oga (Dec 13)

[Hiroyuki Maehara mira@cetus-net.org via vsnet-obs]

PEP magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag      code
ORIalpha       20171213.553   -2.27Ij  Oga.VSOLJ
ORIalpha       20171213.554   -1.04Rj  Oga.VSOLJ
ORIalpha       20171213.556   0.55V    Oga.VSOLJ
ORIalpha       20171213.557   2.34B    Oga.VSOLJ
ORIalpha       20171213.560   3.43U    Oga.VSOLJ

Observer: Yojiro Ogane (Tokyo, Japan)
Instruments: 30cmC + silicon photodiode photometer + Johnson UBVRI filter