Stephenson 1

Number of stars per data source

	Reference  128 :   43 stars
	Reference  285 :   16 stars
	Reference  326 :   23 stars
	Reference  443 :  104 stars

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
285: Haisch K.E.Jr, Lada E.A., Lada C.J.; (2000) Astron. J. 120, 1396; A near-infrared L-band survey of the young embedded cluster NGC 2024; 2000AJ....120.1396H
326: Hog E., Fabricius C., Makarov V.V., Urban S., Corbin T., Wycoff G., Bastian U., Schwekendiek P., Wicenec A.; (2000) Astron. Astrophys. 357, L27; The Tycho-2 Catalogue; 2000A&A...355L..27H
443: Monet D.; (1998) U.S. Naval Observatory Flagstaff station; The USNO-A2.0 catalogue