SIERRA COLLEGE
ASTRONOMY 05

DEEP SKY OBJECTS
FOR FINAL

Messier #

Name

Constellation

Notable Characteristic

Photo
(Click Thumbnail for Larger Photo)

1

Crab Nebula

Taurus

Supernova Remnant
Endpoint of Stellar Evolution

8

Lagoon Nebula

Sagittarius

Stellar Nursery
Emission Nebula

13

Hercules Cluster

Hercules

Globular Star Cluster
Population II Stars

16

Eagle Nebula

Serpens

Emission Nebula
Stellar Birthplace

20

Trifid Nebula

Sagittarius

Dark, Reflection, and
Emission Nebulae

27

Dumbbell Nebula

Vulpecula

Planetary Nebula
After Giant Stage in Sun

31

Andromeda Galaxy

Andromeda

Spiral Galaxy
Visible to Unaided Eye @
2 Million Light Years

42

Orion Nebula

Orion

Stellar Nursery
Emission Nebula

44

Beehive Cluster

Cancer

Open Star Cluster
Population I Stars

45

Pleiades Cluster
(7 Sisters)

Taurus

Open Star Cluster
Young Population I Stars

51

Whirlpool Galaxy

Canes Venatici

Spiral Type Galaxy

57

Ring Nebula

Lyra

Planetary Nebula

87

Virgo A

Virgo

Giant Elliptical Galaxy
in Virgo Cluster @
60 Million Light Years

104

Sombrero Galaxy

Virgo

Edge View of
Spiral Galaxy

--

Double Cluster

Perseus

2 Open Clusters
('H' & Chi) @
7000-8000 Light Years

--

Horsehead Nebula

Orion

Emission & Dark Nebulae
Stellar Birthplace



 
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