Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J00432946+4117137

PNV J00432946+4117137   2017 12 24.6929*  00 43 29.46 +41 17 13.7  16.8 U  512E  68N  M31       7 2

2017 12 24.76

The reported position is only 0.3" from the He/Nn nova M31N 2007-10b (X-ray source CXO J004329.4+411713 = 3XMM J004329.4+411713). Recurrent nova? --- Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2017 12 24.6929

PNV2017jdm + PNV J00432946+4117137 position is close to Nova M31N 2007-10b (Simbad position 00 43 29.50 +41 17 13.0)

2017 12 24.84109

Observation of this transient object was made on 2017 12 24.84109 by Andrea Mantero at Bernezzo Observatory (MPC C77) Cuneo, Italy, with a telescope 0.25 m. f/4 + V filter. Performed photometry returns a value of 17.641 +/- 0.019 V magnitude (reference v mags from AAVSO).Astrometry RA= 00 43 29.46 De= +41 17 13.8 position measured from reference stars UCAC-4 catalogue.

2017 12 24.6929

R. Belligoli, Verona, Italy reports the discovery of an PNV by Flavio Castellani, Raffaele Belligoli, Claudio Marangoni and Fernando Marziali, in the course of the ISSP Italian Supernovae Search Project. The new object is located at RA 00 43 29.46 DEC +41 17 13.7 (equinox 2000.0) Offset 512E 68N. Apparent magnitude about 16.8 R in host Galaxy NGC 224 (M31).