Last updated 14 Sep 2017

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Comet Gallery

C/2004 Q2 (Machholz)



Announced on IAUC 8394 on 27 Aug 2004, this was the 10th discovery by veteran comet discoverer Don Machholz in California, using a 15cm (6") Criterion Dynascope. An interesting account of the discovery is given by the discoverer here.

The image above was taken 16 hours after discovery, in morning nautical twilight, with the comet just 10 above the horizon.

Further positions of this comet were obtained from Great Shefford on Aug 31st, September 1st, 4th and 12th, conditions only being good on September 12th, when the following image was obtained, when the comet was 13 above the horizon and the Sun still 15 below. The scale is the same as the image above, but the field is wider at 15'x10'.


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