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Table 2
Summary of spectroscopic observations.
| Object | Coordinate (J 2000.0) | Observation date | Wavelength | Dispersion | Width of slit | Integration time | |
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| RA | Dec | (Å) | (Å pix-1) | (arcsec) | (s) | ||
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| PN1 | 19 41 19.1 | +24 30 53.0 | 2011 Sep. 24 | 4750–7450 | 2 | 3.6 | 3200 × 2, 3600 |
| PN2 | 19 42 26.1 | +21 45 22.4 | 2011 Sep. 25 | 4750–7450 | 2 | 3.6 | 3200 × 2 |
| PN3 | 19 52 48.8 | +25 53 59.2 | 2011 Sep. 26 | 4750–7450 | 2 | 3.6 | 2400 × 3 |
| PN4 | 23 27 12.7 | +65 09 18.7 | 2011 Sep. 26 | 4750–7450 | 2 | 3.6 | 2400 × 3 |
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