PKS 2155-304
| RA: 21h 58m 52.0s Dec: -30° 13' 32" Offset Stars: |
XY Guider Position: 673, 776 Exp time = 0.8 sec Suggested gain = 25 |
Classification: HBL Redshift (z) = 0.116 mag = 13.5 Power (BL Lac) = 10.84 |
Star | U | B | V | R | I |
| 2 | 12.89 (0.02) | 12.74 (0.01) | 12.05 (0.01) | 11.67 (0.01) | 11.30 (0.02) | |||
| 3 | 14.58 (0.02) | 13.90 (0.01) | 13.00 (0.01) | 12.47 (0.02) | 12.04 (0.02) | |||
| 4 | 14.43 (0.02) | 14.93 (0.01) | 14.28 (0.01) | 13.92 (0.02) | 13.92 (0.02) | |||
| 5 | 16.00 (0.04) | 16.01 (0.03) | 15.35 (0.03) | 15.01 (0.04) | 14.69 (0.03) |