| Image set | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | SD |
| Center x | −0.06 | −0.06 | −0.07 | −0.08 | −0.08 | −0.07 | −0.06 | −0.06 | −0.03 | −0.01 | 0.02 |
| Center y | −0.04 | −0.03 | −0.05 | −0.04 | −0.05 | −0.05 | −0.04 | −0.04 | −0.04 | −0.06 | 0.01 |
| Diameter | 0.16 | 0.16 | 0.16 | 0.20 | 0.18 | 0.18 | 0.16 | 0.20 | 0.20 | 0.20 | 0.02 |