Here is the info on the Brown Dwarf from NASA: http://www.jpl.nasa.gov/news/news.cfm?release=2011-263 80 degrees, cooler than outside! AAVSO is reporting via P. Nugent et al. report in ATel #3581, a possible Type Ia SN in M101. magnitude of g=17.2, but may well rise by several magnitudes. The object is well placed within M101 for good photometry, and observations of this potential bright SNIa are strongly encouraged. The (J2000) coordinates reported for the object are RA: 14:03:05.81 , Dec: +54:16:25.4 -- Jay Eads