Star cluster
large group of stars
NGC1837
C 0607+206
globular cluster
Omega Nebula
Trifid Nebula
open cluster
Galactic ring
Soul Nebula
Hyades
Messier 35
Orion Nebula
Messier 48
Messier 73
Messier 78
The Magnificent Seven
Cygnus OB7
M85-HCC1
Cepheus OB1
Stock 16
Arp-Madore 2
Gaia 1
Flame Nebula
Coronet cluster
RSGC1
RSGC3
Stephenson 2
Serpens South star cluster
DR 6 nebula
Iris Nebula
super star cluster
Kronberger 61
stellar association
Phoenix Dwarf
2E 166
Brocchi's Cluster
[GKK2003] O118