[vsnet-chat 7394] V5558 Sgr = Nova Sgr 2007 from SOHO/LASCO images

[Seiichi Yoshida]

Dear colleagues,

We measured the magnitude of Nova Sgr 2007 (V5558 Sgr) from the
SOHO/LASCO images during the conjunction with the sun.

  http://www.aerith.net/misao/variable/special-note.html#SGRV5558

  http://www.aerith.net/misao/report/variable/V5558_Sgr.gif

It was constant at about 8.9 mag between 2007 Dec. 18 and Dec. 31.

The nova was not observed on the earth at that time because
conjunction with the sun. The gap of observations is about 2 months
between 2007 Nov. 29 and 2008 Jan. 24 based on the AAVSO and VSOLJ
database.

AAVSO:
    V5558 SGR 2454434.46111 NOV 29.9611   9.3  Vis.  SLH
    V5558 SGR 2454494.9667  JAN 29.4667  <9.4  Vis.  BDT
    V5558 SGR 2454499.8028  FEB 03.3028  10.3  Vis.  AAX

VSOLJ:
    SGRV5558 200711250858 8.95V Ioh
    SGRV5558 200801242059 99 Kit

Best regards,

--
Seiichi Yoshida
comet at aerith.net
http://www.aerith.net/