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[vsnet-gcvs 290] V787 Mon observation by Toa

V787 Mon observation by Toa

   Akira Takao (Kita-kyushu, Japan) reports the discovery of large-amplitude
variation in V787 Mon.  From the amplitude in unfiltered CCD photometry,
the object is more likely a Mira-type variable.

V787 Mon
= 2MASS 072000.852 -020906.34 (2000.0)  6.986  5.477  0.000
= IRAS07174-0203 071729.0 -020327 (1950.0)
    F12=5.25  F25=1.74  F60=0.40  F100=1.00L
    VAR=13 LRS=-1
    VII: variable star with more evolved C-rich circumstellar shell
= 072000.7 -020905 (2000.0) CGCS_J0720-0209 (CGCS1654) - 13.5 10.4 - 
= 072000.0 -020900 (2000.0) C(Buscombe) V=13.5 - -
= 072000.3 -020904 (2000.0) IRAS07174-0203 5.165 1.669 0.405 1.012L 13%
= 072000.3 -020904 (2000.0) SSC07174-0203 5.165 1.669 0.405 1.012L
= 072000.7 -020905 (2000.0) CS1654 - 13.5 10.4 -

CCD magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
MONV787        20010202.531  147C  Toa.VSOLJ
MONV787        20020111.685  145C  Toa.VSOLJ
MONV787        20020922.836  124C  Toa.VSOLJ
MONV787        20021122.636  122C  Toa.VSOLJ
MONV787        20030115.581  127C  Toa.VSOLJ

mag compared to GSC4820.662

Observer's code:
  Toa: Akira Takao (Kita-kyushu, Japan)
       instruments:f200mm F4 Telephotolens+ST-8,unfiltered

Relayed from Akira Takao <drtakao@bronze.ocn.ne.jp>

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