Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

J11183170+5758372

PSN J11183170+5758372   2011 07 20.4798*  11 18 31.7  +57 58 37.2  16.2 U   35W  83S  N3613     2 0

2011 07 23.1597

Mag.=14.3 U , R.A.=11 18 31.56 Decl=+57 58 37.2, remotely using a hyperbolic astrograph + unfiltered CCD (SBIG ST-10XME) at the RAS Observatory near Mayhill, NM, U.S.A. (H06).Position and magnitude were measured on an image composed from 3-frames which were taken by each 120-seconds exposure under the limiting magnitude = 18.5. Observer T. Yusa, Osaki, Japan. An image was put on URL; http://www.palette.furukawa.miyagi.jp/space/images/PSNinNGC3613_110723.jpg

2011 07 17.5271

Pre-discovery observation. Mag.= 17.5U. R.A.=11 18 31.47 Decl.=+57 58 36.5 Observer: Koichi Itagaki, Yamagata. 0.60-m f/5.7 reflector + unfiltered CCD.

2011 07 21.4871

Mag.= 16.0U. R.A.=11 18 31.54 Decl= +57 58 36.9 Observer: Toshihide Noguchi, Katori, Chiba-ken. Six frames taken using 0.23-m Schmidt Cassegrain + unfiltered CCD (BITRAN BT-11E) under the limiting magnitude = 17.5.

2011 07 21.533

Mag.= 15.8U using 0.30-m f/5.3 reflector + unfiltered CCD (ST-2000XM) Observer: Masaki Tsuboi, Kuchita-minami, Asakita-ku, Hiroshima, 0.30-m f/5.3 reflector + unfiltered CCD (ST-2000XM)

2011 07 23.202

Follow up magnitude: Mag 15.0 +/- 0.1 C These data were collected by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/5973968188/

2011 07 25.228

Follow up magnitude: Mag 14.7 +/- 0.4 CR These data were collected by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/5975900657/

2011 07 26.182

Follow up magnitude: Mag 14.55 +/- 0.35 CR These data were collected by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/5978030447/

2011 07 30.9227

SN to be confirmed on NGC 3613 - Magnitude 14.77CR - Reference stars: 149R, 156R, 165R Aladin R - exp 9 min (180 sec x 3) unfiltered - Image on http://anysllum.com/SNNGC3613.jpg -Instrument: T-350mm f4.6 ST8XME - ANYSLLUM OBSERVATORY, Ager, Catalonia, Spain - MPC C07 - Observer: Xavier Bros - Agrupació Astronòmica de Sabadell