SIMBAD references

The variable was also independently discovered by S. B. Cenko, W. Li, and A. V. Filippenko in the course of the Lick Observatory Supernova Survey, speculating that may be a cataclysmic variable due to its sharp rise and lack of a host in its immediate vicinity. They report the position as R.A. = 22:39:58.37, Decl. = +34:23:06.0, which is 159" east and 17" north of the nucleus of MCG +06-49-68. Available unfiltered KAIT magnitudes for the varaible: Sept. 18.28 UT, [19.1; 23.28, 17.2; 24.26, 17.3. A faint object (identified as a star) is detected in Sloan Digital Sky Survey images at this position with the following magnitudes: u' = 25.41, g' = 22.44, r' = 22.54, z' = 22.36.