Czernik 18
Number of stars per data source
Reference 432 : 89 stars
References
- 432
- Sujatha S., Babu G.S.D., Ananthamurthy S.
- (2004) Bull. Astr. Soc. India 32, 295
- UBVRI CCD photometric studies of open clusters Berkeley 15, Czernik 18 and NGC 2401
- 2004BASI...32..295S