NGC 7031

Number of stars per data source

	Reference  128 :   15 stars
	Reference  385 :    1 star

References

 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
 385
Skrutskie M.F., Cutri .M., Weinberg M.D., Schneider S., Carpenter J.M., et al.
(2006) Astron. J. 131, 1163
The Two Micron All Sky Survey (2MASS)
2006AJ....131.1163S