Friday, November 30, 2007

Comet 17P/Holmes getting larger and larger

Yesterday evening saw a period with clearings, which allowed me to photograph comet 17P/Holmes again. It is still visible by the naked eye, but less easy than 2 weeks ago (but still easier than M31). It is large now, going towards a degree (I measured a coma diameter of 50').

Below is a stack of 71 images of 5 seconds each with my Canon Digital Ixus 400 pocket camera on fixed tripod, and the lens on maximum zoom (3x).

(click image to enlarge)


I again combined last evening's image with previous images, showing the growth of the comet in 3 weeks time:

(click image to enlarge)


It was still clouded during the LEO satellite visibility window, alas.

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