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Table 1
Log of the new images of M 2–9.
| Date | Tel. | Filter | λc/FWHM | Exp. time | Seeing |
| [Å] | [s] | [′′] | |||
|
|
|||||
| 2000.47 | NOT | Hα+[N ii] | 6571/47 | 180 | 0.9 |
| 2002.49 | NOT | Hα+[N ii] | 6571/47 | 60, 1200 | 0.7 |
| 2006.38 | INT | Hα+[N ii] | 6568/95 | 5400 | 1.0 |
| 2006.43 | NOT | Hα+[N ii] | 6577/180 | 30, 240, 900 | 0.8 |
| 2007.26 | NOT | Hα+[N ii] | 6577/180 | 10, 30, 360 | 0.8 |
| 2008.48 | NOT | Hα+[N ii] | 6577/180 | 540 | 1.0 |
| 2009.28 | NOT | Hα+[N ii] | 6577/180 | 10, 540 | 0.6 |
| 2010.42 | NOT | Hα+[N ii] | 6577/180 | 10, 540 | 0.6 |
| 2000.47 | NOT | [O iii] | 5012/30 | 240, 600 | 1.0 |
| 2001.49 | HST | [O iii] | 5012/27 | 600 | – |
| 2001.73 | HST | [O iii] | 5012/27 | 1040 | – |
| 2002.49 | NOT | [O iii] | 5012/30 | 30, 300 | 0.9 |
| 2006.43 | NOT | [O iii] | 5010/43 | 30, 900 | 0.8 |
| 2007.26 | NOT | [O iii] | 5010/43 | 60, 1500 | 0.9 |
| 2008.48 | NOT | [O iii] | 5010/43 | 1200 | 0.9 |
| 2009.28 | NOT | [O iii] | 5010/43 | 1500 | 0.6 |
| 2010.42 | NOT | [O iii] | 5010/43 | 1500 | 0.8 |
| 2001.49 | HST | [N ii] | 6591/29 | 1300 | – |
| 2001.73 | HST | [N ii] | 6591/29 | 400 | – |
Notes. See Table 1 in 2 for our previous imagery.
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