Comet 21P ( Giacobini-Zinner )
Taken by Carmine Gargiulo on August 23, 2018 @ Sant'Agnello-Naples-Italy
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Details:
Comet 21P ( Giacobini-Zinner ) Telescope: Skywatcher MC150 @f/9.2 Camera; Pentax K5 Exposure: 180x15s @ 16000 ISO Time : 1:00 UT Estimate magnitude: 7.5
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Comments
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Carmine,

That is a very nice image of 21P in its natural environment, the comet moving at 1.6 degrees per day across Earths Sky. Most images of 21P that we see dont show the natural star movement caused by 21P moving through Earths Sky. Your collection of 180 very short images stacked on the comet shows everyone what Comet 21P really looks like in our skies and how fast it is moving past the background stars in a very short time. This shows what comet images look like before digital manipulation occurs. The detail of the coma and its structure is very nice in your image. Very well done!

Mike Olason
Posted by Icylander2 2018-08-23 14:13:08
 
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