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[vsnet-obs 2800] Outburst of SW Vul



Dear Colleagues,

SW Vul, an UG object located at RA = 20h00m05.14s, Decl = +22d56'10.7" 
(J2000.0) is undergoing a (very?) rare outburst !
The object (varying between mag 14.5p and 18.5p) is clearly visible on an
unfiltered CCD image, obtained at the CBA Belgium (using a 10" f/6.3 SCT and
ST-7 CCD) on May 19.066 UT. It is located VERY close to a 13.4 comparison
star (sequence T. Kato, Ouda Station, Japan) and therefore difficult to
estimate on the image. Its unfiltered mag is approx. 15.9.

Does anyone have additional information on this object ?

Kind regards,
Tonny Vanmunster
CBA Belgium