2011CBET.2792....2W

Additional magnitudes for SN 2011fe, reported in part by E. Waagen, AAVSO (unfiltered CCD unless otherwise noted): Aug. 24.910 UT, 12 (Mathew A. Marulla and Tavi A. Grenier, 0.5-m f/6.8 corrected Dall-Kirkham telescope + FLI PL09000 CCD camera, SLOOH Canary Islands Observatory, Mt. Teide; independent discovery; position end figures 33s.2, 13'16"; offset 3'26" from the center of M101 in p.a. 191.4 deg; discovery image posted at website URL http://admin.slooh.com/files/m101_position.png); Aug. 25.093, V = 14.89 ± 0.07 (J. Roe, Wentzville, MO, U.S.A.); Aug. 25.130, V = 14.79 ± 0.02 (S. Howerton, Arkansas City, KS, U.S.A.); Aug. 25.16, 14.8 (R. A. Koff, Bennett, CO, U.S.A.; Meade 0.25-m f/10 reflector + Apogee AP-47p CCD camera; position end figures 05s.75, 16'25".2; nothing visible at this position on the Digitized Sky Survey to limiting mag 18.5, bandpass not noted); Aug. 25.200, 14.7 (R. Royer, Springville, CA, U.S.A.; visual); Aug. 25.200, 14.9 (Joseph Brimacombe, Cairns, Australia; position end figures 05".74, 16'25".3; image posted at website URL http://www.flickr.com/photos/43846774@N02/6079812340/); Aug. 25.83, R = 13.9 ± 0.3, V = 13.8 ± 0.3, B = 13.8 ± 0.3 (K. Sarneczky, 0.60-m Schmidt telescope, Konkoly Observatory, Hungary); Aug. 25.853, 13.4 (Gianluca Masi, using 0.43-m f/6.8 telescope of the Virtual Telescope robotic facility in Ceccano, Italy; position end figures 05s.74, 16'25".7, using 295 reference stars from the NOMAD catalogue). Masi's image is posted at URL http://virtualtelescope.bellatrixobservatory.org/m101sn.html. Koff's image is posted at the following website URL: http://antelopehillsobservatory.org/SNpictures/PSNJ14030581+5416254final.jpg.