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Table 1
Summary of imaging observations.
| Object | Abbreviation | Observation date | Filter name | Seeing | Exposures |
| (arcsec) | (s) | ||||
|
|
|||||
| DSH J1941.3+2430 | PN1 | 2010 Aug. 15 | [O III] | 2.3 | 900 × 2 |
| Hα+[N II] | 2.1 | 900 × 3 | |||
| IPHASX J194226.1+214522 | PN2 | 2010 Aug. 14 | [O III] | 2.1 | 1800 × 2 |
| Hα+[N II] | 2.0 | 900 × 3 | |||
| IPHASX J195248.8+255359 | PN3 | 2010 Aug. 16 | [O III] | 2.0 | 900 × 2 |
| Hα+[N II] | 1.8 | 1800 × 2 | |||
| IPHASX J232713.1+650923 | PN4 | 2010 Aug. 16 | [O III] | 1.9 | 900 × 2 |
| Hα+[N II] | 2.0 | 900 × 2 | |||
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