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Table 1
NOT narrow-band observations.
| Date | Filter | Number of | Frame | Total |
| frames | exp. time | exp. time | ||
| (s) | (s) | |||
|
|
||||
| August 2005 | Hα | 2 | 300 | 600 |
| August 2005 | [N ii] | 2 | 300 | 600 |
| August 2005 | [O iii] | 1 | 300 | 300 |
| August 2008 | Hα | 2 | 450 | 900 |
| August 2008 | [N ii] | 2 | 450 | 900 |
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