Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J10130175+1702056

PSN J10130175+1702056   2011 03 04.38  *  10 13 01.75 +17 02 05.6  17.9 U    6E   2N  N3154     L -

2011 03 05.6090

This possible supernova in NGC 3154 was just seen with 4 x 1200 sec images using a clear filter. Astrometry: RA 10 13 01.75 Dec 17 02 05.3. Photometry: Mag not measured as insufficiently distinct from core. These data were collected remotely using a 16" RCOS and U9000 camera from Macedon Ranges Observatory, near Melbourne, Australia by Joseph Brimacombe, Coral Towers Observatory, Cairns, Australia. Link to image: http://www.flickr.com/photos/43846774@N02/5501109005/

2011 03 06.9240

Unconfirmed SN on NGC 3154: Mag. 16.22CR: (uncertain) Position measured: 10h 13m 01.40s +17º 02' 02.80 UCAC2 exp 5min (60 sec x 3)unfiltered. Images on http://rochesterastronomy.org/snimages/ T350mm f4.6 ST8XME - OBSERVATORY ANYSLLUM, Ager - MPC C07 - Observer: Xavier Bros - Agrupació Astronòmica de Sabadell

2011 03 11.344

This possible supernova was indistinguishable from host core with 11 x 600 sec exposures using a clear filter. These data were collected remotely using a 51 cm RCOS and STL11K camera at New Mexico Skies, Mayhill, New Mexico by Joseph Brimacombe, Coral Towers Observatory, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/5518610632/