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Observation 1
Feature(s)	GRS Oval BA
Filter(s)	ch4
Date	2019-02-09 18:55:42
Julian day	2458524.2881944445
System I	235.48273°
System II	240.06508°
System III	178.17485°
Illumination	99.299995%
Phase angle	9.300000190734863°
Solar longitude	329.3°
Eq. diameter	34.25″
Derotation	10.0 min