NGC 2533
Number of stars per data source
Reference 21 : 8 stars
Reference 50 : 1 star
References
- 21
- Lindoff U.
- (1968) Ark. Astron. 4, 587
- The open clusters NGC 2533, NGC 2567, NGC 2571, and Ru 58
- 1968ArA.....4..587L
- 50
- Cannon A.J., Pickering E.C.
- (1918-1924), Ann. Obs. Harvard Coll. Obs. 91 to 99 and 100
- Henry Draper catalogue and extension
-