Comet C/2009 K5 (McNaught) at magnitude 8.6 will pass 1.65° from the magnitude 7.1 open cluster NGC 6823 in the constellation Vulpecula, at 08:00 UT, 31st March, 2010.
Comet C/2009 K5 (McNaught) at magnitude 9.7 will pass 0.12° from the magnitude 11 planetary nebula NGC 6741 in the constellation Aquila at 12:00 UT, 7th March, 2010.
Comet C/2009 K5 (McNaught) at magnitude 10.1 will pass only 0.8 degrees from the open cluster NGC 6704 in the constellation Scutum at 05:00 UT 28th February, 2010.