[vsnet-obs 86845] VS observations by Oga (Feb 23)

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

PEP magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag      code
ORIalpha       20180223.553   -2.28Ij  Oga.VSOLJ
ORIalpha       20180223.555   -1.09Rj  Oga.VSOLJ
ORIalpha       20180223.556   0.48V    Oga.VSOLJ
ORIalpha       20180223.557   2.22B    Oga.VSOLJ
ORIalpha       20180223.570   3.07U    Oga.VSOLJ

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