IC 4756

Number of stars per data source

	Reference    2 :  203 stars
	Reference   71 :    1 star
	Reference  128 :    1 star

References

 2

Kopff E.

(1943) Astr. Nach. 274, 69

Untersuchung der offenen Sternhaufen IC 4665, NGC 6633, IC 4756

1943AN....274...69K

 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