We observed after the prompt notification from Patrick Schmeer as follows:
DATE-OBS= ‘2018-04-08T17:08:48
PNV J18040967-1803581: possible nova (11.2 mag) in Sagittarius
PNV J18040967-1803581 (N:)
RA 18h04m09.67s, DEC -18°03’58.1″ (J2000.0)
2018 April 8.7229 UT, 11.2 mag (CCD, unfiltered)
Independent discoverers: Tadashi Kojima (Gunma-ken, Japan) and Hideo Nishimura (Shizuoka-ken, Japan)
We observed transient at RA: 18:04:09.456, DEC: -18:03:55.68, V MAGNITUDE= 11.74 ±0.04, B MAGNITUDE= 13.63 ±0.04.
http://www.cbat.eps.harvard.edu/…/J18040967-1803581.html
https://www.aavso.org/vsx/index.php?view=detail.top…
http://mail.spaceobs.com/pipermail/iaude_spaceobs.com/2018-April/012612.html
Cepheids AStronomy Group, RBT, India.