NGC 188

Number of stars per data source

	Reference  184 :   16 stars
	Reference  240 : 1517 stars

184: Kamel L.; (1998) Astron. Nachr. 319, 183; BVRI photometry of possible standard stars in NGC 188; 1998AN....319..183K
240: Sarajedini A., von Hippel T., Kozhurina-Platais V., Demarque P.; (1999) Astron. J. 118, 2894; WIYN open cluster study. II. UBVRI CCD photometry of the open cluster NGC 188; 1999AJ....118.2894S