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Table 3
Observation log of the HST archival images (all taken with WFPC2).
| Line | Filter | Exposure time | Observing |
| time [s] | date and time | ||
|
|
|||
| H α+[N ii] | F656N | 1000 | 2008-09-19 09:51:17 |
| [O iii] | F502N | 1000 | 2008-09-19 11:25:17 |
| [N ii] | F658N | 500 | 2008-09-19 13:01:17 |
| [S ii] | F673N | 400 | 2008-09-19 13:13:17 |
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