| Telescope | Dates | Instrument | Mode | Primary Object(s)
| Hubble Space Telescope | 2012 Jan 7 | WFC3 | Imaging | C/2011 W3 Lovejoy
| | Swift | 2012 Jan 20 | UVOT | Imaging | C/2011 W3 Lovejoy
| | Spitzer Space Telescope | 2012 Feb 3-4 | IRAC | Imaging | C/2011 W3 Lovejoy
| | Lowell 42 in | 2012 Jan 26-27, 30-31 | NASA42 | Imaging | 49P/Arend-Rigaux
| | 2011 Oct 23, 28-30 | NASA42 | Imaging | C/2009 P1 Garradd, C/2010 G2 Hill
| | 2011 Aug 2-5 | NASA42 | Imaging | C/2009 P1 Garradd, 45P/H-M-P
| | 2011 Jan 7-9 | NASA42 | Imaging | 10P/Tempel 2, 103P/Hartley 2
| | 2010 Dec 9-10 | NASA42 | Imaging | 10P/Tempel 2, 103P/Hartley 2
| | 2010 Nov 2-5, 7 | NASA42 | Imaging | 10P/Tempel 2, 103P/Hartley 2
| | Oct 16, 17, 19, 2010 | NASA42 | Imaging | 10P/Tempel 2, 103P/Hartley 2
| | 2010 Sep 9-13 | NASA42 | Imaging | 10P/Tempel 2, 103P/Hartley 2
| | 2010 Aug 13-17 | NASA42 | Imaging | 10P/Tempel 2, 103P/Hartley 2
| | 2010 Jul 19 | NASA42 | Imaging | 10P/Tempel 2, 103P/Hartley 2
| | 2010 Jun 11-12 | NASA42 | Imaging | 81P/Wild 2, 10P/Tempel 2
| | 2010 May 13,15 | NASA42 | Imaging | 81P/Wild 2, 10P/Tempel 2
| | 2010 Apr 8-9, 17 | NASA42 | Imaging | 81P/Wild 2, 10P/Tempel 2
| | 2010 Mar 12-14 | NASA42 | Imaging | 81P/Wild 2, 10P/Tempel 2
| | 2010 Feb 13-15 | NASA42 | Imaging | 81P/Wild 2
| | 2009 Dec 15-16 | NASA42 | Imaging | 81P/Wild 2
| | 2009 Nov 14-15 | SITe | Imaging | 81P/Wild 2
| | 2009 Oct 21-23 | SITe | Imaging | 22P/Kopff, 81P/Wild 2
| | 2009 Sep 15-18 | SITe | Imaging | 22P/Kopff
| | 2009 Aug 26-28 | SITe | Imaging | 22P/Kopff
| | 2009 Jul 28-30 | SITe | Imaging | 22P/Kopff
| | 2009 Jun 20-22 | SITe | Imaging | 22P/Kopff
| | 2009 May 14-15 | SITe | Imaging | C/2007 N3 (Lulin)
| | 2009 Apr 22-25 | SITe | Imaging | C/2007 N3 (Lulin)
| | 2009 Mar 27-31 | SITe | Imaging | C/2007 N3 (Lulin)
| | 2009 Feb 24-Mar 2 | SITe | Imaging | C/2007 N3 (Lulin)
| | 2009 Jan 30-Feb 2 | SITe | Imaging | C/2007 N3 (Lulin)
| | 2008 Aug 27-29 | SITe | Imaging | 6P/d'Arrest
| | 2008 Jul 31-Aug 6 | SITe | Imaging | 6P/d'Arrest
| | Lowell 72 in | 2011 Mar 25 | PRISM | Imaging | LIRG
| | 2010 Jun 10 | PRISM | Imaging | 81P/Wild 2, P/2010 H3
| | KPNO 4-m | 2005 Jan 4-8 & 12-16 | MOSAIC | Imaging | Kreutz comet survey
| | KPNO 2.1-m | 2006 May 4-11 | SQIID | Imaging | 73P/Schwassmann-Wachmann 3
| | 2005 July 1-8 | SQIID | Imaging | 9P/Tempel 1 (Deep Impact encounter)
| | 2005 May 13-16 | F3KB | Imaging | 9P/Tempel 1, C/2004 Q2 (Machholz)
| | 2005 April 8-13 | F3KB | Imaging | 9P/Tempel 1, C/2004 Q2 (Machholz)
| | McMath-Pierce Solar | 2007 May 21-25 | Main Telescope | Spectra | Mercury atmosphere
| | 2006 Nov 6-9 | Main Telescope | Spectra | Mercury transit
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