Comet Machholz (C/2004 Q... Previous | 20 / 21 | Next Download | Views: 4654 Comet Machholz (C/2004 Q2) - Dec. 31, 2004 Canon 10D, 200mm @ f/4.6, piggybacked on Celestron NexStar 5i, 2x10 min stacked exposures, processed with AstroArt 3.0, Sigma 10, Photoshop cs and Noiseware Pro. Imaged By: Jeff Thrush Previous | 20 / 21 | Next