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The Caldwell objects
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C2
Cepheus
Planetary nebula
Bow Tie Nebula
C6
Draco
Cat's Eye Nebula
C15
Cygnus
Blinking Planetary
C22
Andromeda
Blue Snowball
C39
Gemini
Clown Nebula
C55
Aquarius
Saturn Nebula
C56
Cetus
Skull Nebula
C59
Hydra
Eye Nebula
C63
Helix Nebula
C69
Scorpius
Bug Nebula
C74
Vela
Eight Burst Nebula
C90
Carina
C109
Chamaeleon
Cambridge
Latitude: Longitude: Timezone:
42.38°N 71.11°W EDT
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