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Table 1

Journal of observations reported in the text.

Date (UT) OD Exposure time Observing mode ObsID
20/04/2010 17:30:35 341 583 s Small map 1342195287
20/04/2010 18:24:59 341 437 s Small map 1342195290
21/04/2010 02:55:58 342 1397 s Large map 1342195308
07/05/2010 16:54:54 358 593 s Small map 1342195867
23/05/2010 14:22:11 374 1397 s Large map 1342196889

Notes. All these observations were targeted on OJ 287, which was in the centre of the field in all cases. The columns are the date, expressed as the UT mid-time of the exposure; the Operational Day of the mission; the exposure time in seconds; the observing mode; and the Observation, Identifier in the Herschel Science Archive.

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