Open Cluster Archives
- Eta Carinae, NGC 3372 and NGC 3293
- M6 - Butterfly Cluster
- M7 - Ptolemy's Cluster
- M8 - Lagoon Nebula
- M11 - The Wild Duck Cluster
- M16 and IC 4703 - The Eagle Nebula
- M18
- M21
- M23
- M25
- M26
- M29
- M34
- M35 and NGC 2158
- M36
- M37
- M38 and NGC 1907
- M39
- M41
- M44 - The Beehive Cluster
- M45 - The Pleiades
- M46 and NGC 2438
- M47 and NGC 2423
- M48
- M50
- M52
- M67
- M73
- M93
- M103
- NGC 654
- NGC 663
- NGC 869 and NGC 884 - The Double Cluster in Perseus
- NGC 1502 and Struve 485
- NGC 1647
- NGC 2244 and Sh 2-275 - The Rosette Nebula
- NGC 457 and NGC 436
- NGC 6520 and Barnard 86
- NGC 6866
- NGC 6910
- NGC 7062
- The Pleiades - Naked Eye