Sunday morning dawned clear and calm—only the second truly sunny day since we arrived at Palmer Station. It was a perfect opportunity for Dr. Josh Kohut to tick the second big item off his to-do list: a trip outside the boating limit to the team’s radar station on the Joubin Islands.

Three days ago we had zipped over to the Wauwerman Islands to do much the same thing, fighting a steady drizzle the whole way. The Joubin Islands are about the same distance west as the Wauwermans are to the south, but today’s trip was an altogether different experience, with wet grays replaced by stellar whites and sky blues. Click through the slideshow to see some of the sights photographer Chris Linder captured along the way: