Back Palomar SunsetInteresting sunset behind the Hale 200" Click to display the full resolution Object Info Capture DetailsDateAugust 2, 2013LocationPalomar Mountain, CAExposureISO 100NotesPublished in Astronomy Magazine January 2014 issue. EquipmentOpticsCanon EF-S 17-85mm f/4-5.6 IS USMFocal Length70mm @f5.6CameraCanon 30D