Variable Stars - N Sco 2015 (PNV J17032620-3504140)
Type Novae Recurrent novae, which differ from typical novae by the fact that two or more outbursts (instead of a single one) separated by 10-80 years have been observed. AAVSO Alert 508: February 17, 2015 Patrick Schmeer (SPK, Bischmisheim, Germany) reports the announcement on the CBAT Transient Object Confirmation Page (TOCP) of the discovery of a bright transient in Sgr on 2015 February 12.852 at an unfiltered magnitude of 10.9 by K. Nishiyama, using a 105-mm f/4 camera lens with an SBIG STL6303E CCD camera.  Nishiyama notes nothing is present on a previous image from2015 February 02.887.  The transient has been independently confirmed with two pre- discovery images: by H. Nishimura (Shizuoka-ken, Japan) at magnitude 11.2 on 2015 February 12.840, and by T. Kojima (Gunma-ken, Japan) at magnitude 10.5 on 2015 February 11.841. The object was designated PNV J18142514-2554343 on the TOCP website.
Hills Observatory: 1 January 2013 to 10 July 2018
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