night passage

In this 'Postscript' from Peter Swanson he follows up on preserving your night vision with the best way to dim all those pilothouse lights - painter's tape.

Red Night Lights a “Scientific Blunder”

Distant harbors beckon the power cruising boater, but distant harbors take time to reach, which means you may need to use that second set of 12 hours we get each day—you know, the ones in the dark.