AstroPhotography by Dan Richey

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C/2009 P1 Garradd / M92
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C/2009 P1 Garradd / M92

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Object Information

Name C/2009 P1 Garradd / M92
Type Comet and Globular Cluster
Constellation Hercules
Catalogue M92 / NGC 6341

Acquisition / Processing

Exposure L - 1 x 360 sec Bin 2
Total 360 sec

TheSkyX gives the RA rate and Dec rate for the comet. Using the largest of these two values and dividing it into the image scale gives the exposure in seconds for the comet that will result in no smearing. This number can be doubled safely. Using a bin factor of 2 gives a larger image scale and therefore a longer exposure.
Telescope AP 160 @ 7.7
Camera SBIG STL-11
Camera Temp -42ÂșC
Guiding SBIG Internal
Mount AP 900GTO
Filters Astrodon-Gen 1 LRGB
Processing Maxim DL / CCDStack / PS CS3
Location San Pedro Creek, NM
Date Febuary 4, 2012

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