What is an Open Cluster?
Open clusters are young, loosely gravitationally bound collections of stars. Some are supernova remnants. Some, like the Stargate cluster below, are chance alignments of stars at different distances.
Double Cluster in Perseus
C9.25 SCT
NGC7789 Caroline's Rose
NGC7789 Caroline's Rose
TEC140ED Refractor
The Stargate Cluster
The Stargate Cluster
C9.25/Hyperstar
NGC 2169 "37" Cluster
TEC 140ED APO
Coathanger Cluster
Esprit 100ED APO
Pleiades M45
TEC 140ED APO
NGC 2301
TEC 160FL APO
M44 The Beehive
TEC 160FL APO
Pakan's 3 Asterism
C9.25/Hyperstar
Double Cluster in Perseus
TEC 160FL APO
Stargate Cluster and Sombrero Galaxy
C9.25/Hyperstar
Pakan's 3 Asterism
C9.25/Hyperstar