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Table 1

Photometric imaging observation log of the Helix nebula with Herschel.

OD RA (J2000.0) Dec (J2000.0) AOT Duration Start date and time Obsid

350 22h29m38.55s –20d50m13.60s SpirePacsParallel 4326 s 2010-Apr.-28T22:30:39 1342195681
350 22h29m38.55s –20d50m13.60s SpirePacsParallel 4116 s 2010-Apr.-28T23:43:58 1342195682
1304 22h29m35.24s –20d50m40.51s SpirePhotoLargeScan 2047 s 2012-Dec.-08T10:54:32 1342256744

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