NGC 1817
Number of stars per data source
Reference 408 : 1659 stars
References
408
Balaguer-Nunez L., Jordi C., Enriquez D.G., Masana E.
(2004) Astron. Astrophys. 426, 827
uvby-Hbeta CCD photometry of NGC 1817 and NGC 1807
2004A&A...426..827N