As of February, 2008, Jack has one pre-discovery, and 27 discovery/co-discoveries to his credit!
| 2000CT This was Jack's first SN discovery and came only 3 weeks after he joined the search team! | 2005CY | 2007J |
| 2002BG & 2002BJ In February 2002 Jack discovered two Supernovae within a week | 2005DY | 2007Q |
| 2002EA | 2005MG | 2007U |
| 2003AD | 2005MZ | 2007BJ |
| 2003J | 2005NA | 2007CQ |
| 2004DW | 2006AZ | 2007GK |
| 2004EV | 2006CD | 2008C |
| 2005AJ This Supernova was discovered on the 75th Anniversary of the discovery of the planet Pluto by astronomer Clive Tombaugh (February 18, 2005) | 2006CQ | 2008Y
2008AN 2008AT 2008AZ |