S99J1 found with the Kitt Peak 36 inch reflector:
Mag 20.5 [within range of RCOS10 and SBIG8E from San Jose backyards ;)]
Press release available at:
http://cfa-www.harvard.edu/iau/pressinfo/S1999J1.html
Image info at:
http://www.lpl.arizona.edu/spacewatch/S1999J1.html
-Bill