3C 66A = 0219+428
DSS image: 15 x 15 arcmin
R.A. (J2000.0)= 02 22 39.6
Dec. (J2000.0)= +43 02 08
Recommended standard stars
| Star | B | Err B | V | Err V | R | Err R | I | Err I |
|---|---|---|---|---|---|---|---|---|
| 1 | 15.21 | 0.02 | 14.19 | 0.01 | 13.58 | 0.01 | 13.10 | 0.01 |
| 2 | 13.01 | 0.01 | 12.81 | 0.01 | 12.70 | 0.01 | 12.60 | 0.01 |
| 3 | 15.79 | 0.01 | 14.78 | 0.01 | 14.23 | 0.01 | 13.72 | 0.01 |
| 4 | 14.12 | 0.01 | 13.63 | 0.01 | 13.33 | 0.01 | 13.05 | 0.01 |