W Com = ON 231 = 1219+285
DSS image: 15 x 15 arcmin
R.A. (J2000.0)= 12 21 31.7
Dec. (J2000.0)= +28 13 59
Recommended standard stars
| Star | B | Err B | V | Err V | R | Err R | I | Err I |
|---|---|---|---|---|---|---|---|---|
| 1 | 12.64 | 0.03 | 12.08 | 0.04 | 11.72 | 0.04 | 11.40 | 0.04 |
| 2 | 16.37 | 0.05 | 14.81 | 0.04 | 13.86 | 0.04 | 12.68 | 0.04 |