SIMBAD references

E. J. Christensen, Lunar and Planetary Laboratory, University of Arizona, reports his discovery of an apparent high-amplitude variable star on unfiltered CCD images obtained in the course of the Catalina Sky Survey, the position of the variable given as R.A. = 10h21m46s.42, Decl. = +23o49'26".2 (equinox 2000.0). Approximate V magnitudes derived from the Catalina images: Oct. 28.503-28.523 UT (four images), 13.9; Nov. 17.533-17.537, 14.4. There is an object at V around 21 at this position in an archival CSS image, and there is a star catalogued in the Sloan Digital Sky Survey DR5 database with the following magnitudes: u = 20.83, g = 20.74, r = 20.63, i = 20.84, z = 20.45.