Nebulae come in 5 different catagories:
Emission, Reflective, Supernova remainants, Dark or Planentary.
Some to look out for:
|
|
Name
|
Type
|
Constellation
|
Distance
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Thumbnail
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M42+3
|
Emission
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Orion
|
1500 LY
|
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M20
|
Emission, Reflective & Dark
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Sagittarius
|
3500 LY
|
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M1
|
Supernova Remainant
|
Taurus
|
4000 LY
|
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IC 434
or
Barnard 33
|
Emission &
Dark
|
Orion
|
1500 LY
|
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|
NGC 6543
|
Planetary
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Draco
|
3000 LY
|
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Star clusters are basiclly clusters of stars.
Open clusters are scattered stars in the same area all with the same proper motion. Globulars clusters are densly packed
clusters forming a ball shape.
Name
|
Type
|
Constallation
|
Thumbnail
|
M45
|
Open
|
Taurus
|
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NGC 104
|
Globular
|
Tucana
|
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M44
|
Open
|
Cancer
|
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NGC 5139
|
Globular
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Centaurus
|
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M13
|
Globular
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Hercules
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