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[vsnet-alert 7720] V4745 Sgr: prediscovery detection by Nishimura



V4745 Sgr: prediscovery detection by Nishimura

   We have received the following observations from Hideo Nishimura,
who positively detected V4745 Sgr on Apr. 12 (UT).  Unfortunately,
Nishimura did not pursue the object because of the presence of a
nearby Mira-star V2377 Sgr, although he had recognized the object.
He also presents the upper limit observations on Apr. 9 (UT), which
can severely constrain the time of the major rise.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
SGRV4745       20030408.78985 <120p  Nmh.VSOLJ
SGRV4745       20030409.75887 <110p  Nmh.VSOLJ
SGRV4745       20030412.76549  85p  Nmh.VSOLJ
SGRV4745       20030421.73014  85p  Nmh.VSOLJ
SGRV4745       20030426.73412  92p  Nmh.VSOLJ

Observer's code:
  Nmh: Hideo Nishimura (Kakegawa, Shizuoka, Japan)
       Instruments: 200mm F/4 lens + T-Max 400 unfiltered


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