Mkn 421 = 1101+384
Star 1 for AZT-8
Star 2 for LX-200
DSS image: 15 x 15 arcmin
R.A. (J2000.0)= 11 04 27.3
Dec. (J2000.0)= +38 12 32
Recommended standard stars
| Star | B | Err B | V | Err V | R | Err R | I | Err I |
|---|---|---|---|---|---|---|---|---|
| 1 | 16.20 | 0.04 | 15.57 | 0.05 | 15.20 | 0.03 |