SIMBAD references

Further to IAUC 8539, E. J. Christensen reports that SN 2005ch appeared at V = 17.3-17.4 on prediscovery images obtained on May 31.27-31.29 UT in the course of the Catalina Sky Survey. Nothing is visible at the location of the new object on Catalina Sky Survey images obtained on May 19.14 (limiting mag V approximately 19.5). R. A. Tucker, Tucson, AZ, reports the following unfiltered CCD magnitudes obtained with the 0.35-m MOTESS telescopes: May 30.176, 17.5; June 1.170, 17.1; 3.192, 16.5; 4.189, 16.4; 5.186, 16.2; 6.183, 16.1; 7.167, 16.1; 8.165, 16.0; 9.162, 15.9.