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Table 1
Journal of the observations.
| Field | Date | Filter | T exp | Seeing |
| (d/m/y) | (s) | (′′) | ||
|
|
||||
| Serpens Core | 17-19/05/2008 | CH4off | 2520 | 0.6 |
| 17-19/05/2008 | CH4on | 7560 | 0.6 | |
| 20/04/2008 | J | 8405 | 0.7 | |
| 20/04/2008 | H | 1405 | 0.7 | |
| 20/04/2008 | K S | 1405 | 0.7 | |
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