TITLE: GCN GRB OBSERVATION REPORT NUMBER: 3029 SUBJECT: GRB 050215b, BOOTES-2 simultaneous optical observations DATE: 05/02/15 18:22:51 GMT FROM: Alberto Castro-Tirado at Inst.de Astro. de Andalucia M. Jelínek, A. J. Castro-Tirado, J. Gorosabel, A. de Ugarte Postigo (IAA-CSIC Granada), P. Kubanek, R. Hudec (Astronomical Institute of the Academy of Sciences, Ondrejov), T. J. Mateo Sanguino (Universidad de Huelva), T. Soria, R. Fernández (EELM-CSIC, Málaga) and J. Fabregat (Universidad de Valencia) report: The BOOTES-2 very wide field camera, located at the Estación Experimental de La Mayora (EELM-CSIC) in Málaga, observed the region of the sky containing the SWIFT/BAT error box for GRB 050215b (Barthelmy et al. GCN 3024) as part of its routine observing schedule. A 30 s exposure started at 02:33:05 UT (7 s prior to the onset of the 10 s long burst), with the following frame starting at 02:34:05 UT. Limiting (unfiltered) magnitude of 10.0 is derived for any prompt optical flash arising from this event. This message can be quoted.