NGC 1807
Number of stars per data source
Reference 33 : 2 stars
Reference 71 : 4 stars
Reference 128 : 6 stars
Reference 215 : 46 stars
References
- 33
- Egret D.
- (1986) Private communication
- Coordinates from SIMBAD (other than SAO)
-
- 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
- 215
- Bruggeman H.
- (1935) Astr. Abh. Hamburg Sternw. Bergedorf IV no 7
- Der offene Sternhaufen Messier 34
- 1935AAHam...4..158B