Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J02254889+1832000

PSN J02254889+1832000   2011 08 04.7701*  02 25 48.89 +18 32 00.0  16.4 U   27W 133N  N918      I 0

2011 08 05.620

mag 16.0, observed by K. Itagaki, who reported the discovery. The host galaxy NGC 918 is a nearby (~20 Mpc) one, so it can brighten to mag 12 (type Ia) or mag 14 (other type). Type II SN 2009js is also hosted by this galaxy. (H. Yamaoka)

2011 08 05.406

This possible supernova in NGC 918 was seen with 6 x 600 sec images using a clear filter. Astrometry: RA 02 25 48.89 Dec 18 32 00.0 Photometry: Mag 16.4 +/- 0.2 C These data were collected by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/601237797

2011 08 05.6413

Mag.= 16.3 by Toshihide Noguchi, Chiba-ken, Japan; 0.23-m Schmidt-Cassegrain reflector + unfiltered BITRAN BT-11E CCD camera; limiting mag 17.5; position end figures 48s.92, 59".3; http://park8.wakwak.com/~ngc/images/PSNinNGC918.jpg.

2011 08 06.642

mag 15.8, observed by K. Itagaki.

2011 08 07.730

Aug. 7.730 UT, 16.6 U (Ageo, Japan; 0.25-m f/5.0 reflector + unfiltered CCD; position end figures 48s.88, 59".5); http://members.jcom.home.ne.jp/kenic-k/image/PSNinNGC918-20110807.jpg.

2011 08 08.735

Mag.= 16.1 U; M. Tsuboi, Hiroshima, Japan