NGC 7209

Number of stars per data source

	Reference    3 :  123 stars
	Reference   71 :    8 stars
	Reference  128 :    3 stars
	Reference  197 :   98 stars

3: Mavers F.W.; (1940) Astr. Abh. Hamb. Sternw. Bergedorf V no 4; Untersuchungen der offenen Sternhaufen NGC 7092 (M39), NGC 7209 und NGC 7243
71: Mermilliod J.-C.; (1988); Positions measured with the Hipad tablet
128: Lasker B.M., Russel J.N., Jenkner H., Sturch C.R., McLean B.J., Shara M.M.; (1990) Astron. J. 99, 2019; The HST guide star catalogue, version 1.0; 1990AJ.....99.2019L
197: Vansevicius V., Platais I., Paupers O., Abolins E.; (1997) Mon. Not. R. Astron. Soc. 285, 871; A study of the open cluster NGC 7209 in the Vilnius photometric system; 1997MNRAS.285..871V