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DEEP SKY OBJECTS M41 TO M45 |
Messier Number: M41
NGC Number: NGC 2287
Object Type: Open Cluster
Distance in Light Years: 2,300
Constellation: Canis Major
Apparent Magnitude: 4.5
M41 lies about 4š south of Sirius, the brightest star in our sky. It contains about 100 stars, is about 2,300 light years distant and 200
million years old.
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Messier Number: M42
NGC Number: NGC 1976
Common Name: Orion Nebula
Object Type: Diffuse Nebula
Distance in Light Years: 1,600
Constellation: Orion
Apparent Magnitude: 4.0
M42 is situated below Orionīs belt as the middle of three stars that form Orionīs sword. Visible to the naked eye, it is one of the brightest deep sky objects.
If you look at this area through a pair of binoculars, you can see not one, but very many stars and, through a telescope, you can see some of the giant gas clouds.
This nebula is part of the huge Orion Molecular Cloud, composed of gas and dust, which extends throughout the constellation of Orion and includes other nebulae.
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Messier Number: M43
NGC Number: NGC 1982
Common Name: De Mairanīs Nebula
Object Type: Part of Orion Nebula
Distance in Light Years: 1,600
Constellation: Orion
Apparent Magnitude: 7.0
M43 is part of the Orion Nebula, separated by a turbulent dark lane. De Mairanīs is visible in a 4-inch telescope with the dark features along its eastern border
becoming clearer through an 8-inch upwards.
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Messier Number: M44
NGC Number: NGC 2632
Common Names: Beehive Cluster / Praesepe
Object Type: Open Cluster
Distance in Light Years: 577
Constellation: Cancer
Apparent Magnitude: 3.7
Easily visible to the naked eye, the Beehive Cluster has about 350 stars, is 577 light years distant and estimated at 730 million years old.
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Messier Number: M45
Common Names: Pleiades / Seven Sisters
Object Type: Open Cluster
Distance in Light Years: 440
Constellation: Taurus
Apparent Magnitude: 1.4
M45 - the Pleiades or Seven Sisters - is an open cluster in Taurus at 1.4 magnitude with a reflection nebula extending some
distance beyond.
The Pleiades are at a distance of 440 light years, contain at least 500 stars and are estimated to be about 100 million years old.
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