Target: M13 Date: 2012-05-11 Time: 04:23 Telescope: CDK20N Camera: Apogee U16M Filters: UBVRI Exposure time: 100 seconds each frame coadded Total exposure times 800s (B), 700s (V), 400s (R), 500s (I) Observer: John Kielkopf Processing: John Kielkopf