Table 1
Observing log for the Orion Nebula.
| Source | RA(2000) | Dec | Date | Obs. time | Nb scans | Scan duration | Size | pwv | elev. |
|---|---|---|---|---|---|---|---|---|---|
| h | deg. | h | min | arcmin | mm | deg. | |||
| Orion (M42) | 05:35:17.3 | –05:23:28.0 | 2022-08-24 | 2.4 | 11 | 13 | 15 × 60 | 0.4 | 58 |
Notes. We list the centre coordinates, the date of observation, the on-target observing time (not including the calibration time), the number of scans, the scan duration, the size of the rectangular scanning pattern in RA and Dec, the median average precipitable water vapour (pwv), and the elevation. The maps were obtained alternately in horizontal and vertical scanning directions in equatorial coordinates.
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