J0521 = RX J0521.7+2112
DSS image: 15 x 15 arcmin
R.A. (J2000.0)= 05 21 45.9
Dec. (J2000.0)= +21 12 51.5
Recommended standard stars
| Star | B | Err B | V | Err V | R | Err R | I | Err I |
|---|---|---|---|---|---|---|---|---|
| A | 17.152 | 0.037 | 15.630 | 0.008 | 14.791 | 0.007 | 14.007 | 0.013 |
| B | 14.720 | 0.014 | 13.853 | 0.005 | 13.351 | 0.005 | 12.859 | 0.010 |
| C | 14.817 | 0.021 | 14.096 | 0.006 | 13.747 | 0.005 | 13.402 | 0.011 |