NGC 6811

Number of stars per data source

	Reference  130 :  161 stars
	Reference  222 :  266 stars

References

 130

Lindoff U.

(1972) Astron. Astrophys. 16, 315

The open cluster NGC 6811

1972A&A....16..315L

 222

Barkhatova K.A., Zakharova P.E., Shashkina L.P.

(1978) Zvezd. skopleniya i dvojn. sistemy. Sverdlovsk p. 18

UBV photometry of stars in the region of the open cluster NGC 6811