Year of the Comet
Comet C/2011 L4 (PANSTARRS)

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Comet C/2012 S1 (ISON)

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Tony Hallas' Cosmic Imaging
November 2010
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Tony Hallas
By now, the charge-coupled device (CCD) camera is well-known to many of Astronomy's readers who take celestial images. But there are still holdouts who prefer the DSLR for its low cost and ease of use. Also, some new imagers aren't sure if a CCD camera is the right choice. To help you understand what's involved if you choose a CCD camera, and to lay the groundwork for future columns that deal with... Read more »
November 2010: Your astroimages will reveal more detail after you apply a few simple techniques.
By Tony Hallas // Published: September 27, 2010
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