Possible nova in scutum

[Francois Teyssier]

AAVSO Special Notice #275

Possible Nova in Scutum = PNV J18562170-0852300
April 12, 2012

Tom Krajci (KTC, Cloudcroft, NM) reports that a possible nova in
Scutum has been announced on the IAU CBAT TOCP page
(http://www.cbat.eps.harvard.edu/unconf/tocp.html) as PNV
J18562170-0852300. It was discovered at unfiltered magnitude 9.7
on 2012 April 12.7954 UT by Y. Sakurai, Japan, on two 10-second
exposures using a digital camera + 180-mm f/2.8 lens. Nothing
was visible on an image taken 2012 April 9.79 UT. The variable
NSVS 16776786 (V=12.9 per VSX) is located nearby at
18 56 38.99 -08 47 38.2.

Confirmation and spectroscopy are requested to determine the nature
of this object.

Coordinates: RA 18 56 21.70 Dec -08 52 30.0 (2000.0)

This object has been accepted into VSX. Charts may be plotted using
the AAVSO Variable Star Plotter (http://www.aavso.org/vsp) and
observations should be reported to the AAVSO International Database
as PNV J18562170-0852300.

This AAVSO Special Notice was compiled by Elizabeth O. Waagen.

[Olivier Thizy]

Update from AAVSO Special Notice #276: the nova has been shown not to be real.
Cordialement,
Olivier