NGC 2301

Number of stars per data source

	Reference   64 :    2 stars
	Reference  206 :    1 star
	Reference  389 :   13 stars

64: Svolopoulos S.N.; (1962) Astrophys. J. 136, 788; Spectral classifications in nine open clusters; 1962ApJ...136..788S
206: Hiltner W.A.; (1956) Astrophys. J. Suppl. 2, 389; Photometric, polarization and spectrographic observations of O and B stars; 1956ApJS....2..389H
389: van Rensbergen W., Hammerschlag G., van den Heuvel E.P.J; (1978) Astron. Astrophys. 64, 131; Spectroscopic studies of open clusters - A search for Ap stars; 1978A&A....64..131V