M46 and M47 (Kurt Zeppetello)

Celestial hemisphere: Southern · Constellation: Puppis (Pup) · Contains: 140 Pup · M 46 · M 47 · NGC 2422 · NGC 2425 · NGC 2437 · NGC 2438 · PK231+04.1 · PK231+04.2

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M46 and M47

Link: http://kurt-zeppetello.blogspot.com/2017/01/two-for-one-m46-and-m47.html

Powered byPixInsight

M46 and M47

Link: http://kurt-zeppetello.blogspot.com/2017/01/two-for-one-m46-and-m47.html

Two For One - M46 and M47

I got two Messier objects for the price of one while taking this image under the nearly full moon. In the bottom left is M46 (NGC 2437) which is an open cluster in constellation of Puppis. M46 is about 5,500 light-years away and with approximately 500 stars and estimated to be 300 million years old. As a bonus, a planetary nebula NGC 2438 appears to lie within the cluster near its northern edge, but it is a foreground object and unrelated to the cluster. The 4.95 magnitude bright star in the bottom is 140 Pup. (source: wikipedia)

In the top right is M47 (NGC 2422) another open cluster in the constellation Puppis. It is about 1,600 light-years from Earth with an estimated age of about 78 million years. There are about 50 stars in this cluster.

Fifty three Messier objects imaged so far: https://sites.google.com/site/messierobjectsed80/.

Imaged with APT
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Status	Advanced success
Started	...
Astrometry.net job	1413794
PixInsight job	808HY32VZA9SZE47IABWRJU4VJR0BE4B
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	07h39m18s.27
RA (top/left)	07h43m08s.41
RA (top/right)	07h34m32s.26
RA (bottom/right)	07h35m25s.77
RA (bottom/left)	07h44m06s.11

Dec (center)	-14°40′59″.3
Dec (top/left)	-13°49′15″.8
Dec (top/right)	-14°09′31″.9
Dec (bottom/right)	-15°32′38″.7
Dec (bottom/left)	-15°12′16″.6

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M46 and M47

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