Interestingly the two sketches are of CMs almost exactly 180° apart, so they make a nice pair. Sadly, the increased altitude of the recent one meant a different angle for the binoviewer to remain seated, so the two sketches have different orientations.
Mars; 1/29/2010 23:00 UT, CM 24°; Pickering 7
400mm Mak-Cass @ 335X
HB pencil on white 160gsm paper; inverted and colourized in Photoshop