One of downtown Nantucket’s most recognizable landmarks is getting a facelift this week. The famous Compass Rose mural at 16 Main Street - the backdrop to countless selfies, wedding photos, and social media posts - is being repainted as the summer season begins. It’s been several years since the Compass Rose has had any attention, and the mural has chipped paint and signs of wear and tear that are now being addressed. Cindy Schwarz, a painting conservator subcontracted by the historic preservati