Comet Leonard and M3 (Patrick Graham)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: M 3 · NGC 5272

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Comet Leonard and M3

Revision title: comet Leonard and M3

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Comet Leonard and M3

Revision title: comet Leonard and M3

This is my take on comet Leonard. The image was taken about 3:30am on December 3rd at the Chiricahua Astronomical Complex in south eastern Arizona. Overall, I'm very happy with the result. However, being that early in the morning I forgot the critical step of taking flats which explains the "streaking" in the image. Pixnsight got rid of most of it but it's still evident. First time, too playing the the comet alignment tool which worked well. In the lower part of the frame is the globular cluster, M-3, 33,900 light years distant from Earth, making for a nice contrast with the comet whizzing by at a distance of only 36.3 million miles from us.

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C

Title: comet Leonard and M3

Description: This revision includes the processing with the master flat and some saturation to bring out the color in the cluster and background stars

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Status	Advanced success
Started	...
Astrometry.net job	5318873
PixInsight job	URW9MPWNVE0205X5X36WXDUNBEBPGLB1
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	13h43m50s.41
RA (top/left)	13h46m54s.25
RA (top/right)	13h45m51s.20
RA (bottom/right)	13h40m44s.40
RA (bottom/left)	13h41m51s.84

Dec (center)	+28°14′14″.3
Dec (top/left)	+27°26′45″.8
Dec (top/right)	+29°10′41″.0
Dec (bottom/right)	+29°01′22″.1
Dec (bottom/left)	+27°17′37″.4

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Comet Leonard and M3

Revision title: comet Leonard and M3

Comet Leonard and M3

Revision title: comet Leonard and M3

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Comet Leonard and M3

Revision title: comet Leonard and M3

Comet Leonard and M3

Revision title: comet Leonard and M3

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