TCP J00415307+4109540 2013 09 24.5704* 00 41 53.07 +41 09 54.0 18.2 U 579W 375S M31 I 0
2013 09 24.5704
Image = http://www.k-itagaki.jp/images/31.jpg
2013 09 24.5440
PNV 2013 09 24.5440* 00 41 53.07 +41 09 54.0 18.1 U 578W 375S M31 Koichi Nishiyama, Kurume,Japan and Fujio Kabashima, Miyaki,Japan report the prediscovery of a possible nova .(mag.= 18.1) in M31 on seven 40-s unfiltered CCD frames taken around 2013 Sep. 24.54396 UT, ( limiting magnitude = 19.2 ) using a Meade 200R 0.40-m f/9.8 reflector (+SBIG STL1001E camera). as follows Nothing is visible at this location on our past frames taken on 2013 Sep.20.612UT (limiting magnitude = 18.8) and Sep 22.574 UT (limiting magnitude = 18.7). . We have checked in Minor Planets. Nothing is visible at the position of possible nova on the Digitized Sky Survey(POSS2/UKSTU) from 1986 Nov. 27 (limiting red mag 18.9) and 1993 Oct. 21(limiting infrared mag 18.4). the nearest star in M31 catalogue (http://www.lowell.edu/users/massey/lgsurvey.html) has position end figures 52s81, 53."7, distance 3."0, magnitudes V=21.8, B=23.2, R=21.2