Fig. 1
Top: single 1.5 min exposure of Neptune in the Ks band (2.2 μm), 2007 August 31 (UT start time 01:40:11), revealing the satellites Proteus (P), Galatea (G), Larissa (L) and Despina (D). The frame is 5.5 arcsec wide. North is up and east is left. Bottom: image of Neptune’s ring and moon system obtained by co-adding 70 individual frames of the 2007 August 30 data (2.2 μm, 105 min total exposure time, between UT 01:07:39 and 06:19:28). The figure is 9 × 7.5 arcsec2. North is up and east is left.
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