The long summer day is now fading in Arctic Alaska, as a daily period of darkness advances north across Alaska with the change of seasons. Last night was the first night that civil twilight was observed at Barrow, i.e. the sun briefly dipped more than 6° below the northern horizon. However, it will be another 2-3 weeks before it starts to get reasonably "dark" at night in Barrow.
Here are a couple of "night" pictures from the Barrow sea-ice webcam in the past few days: the first, a beautiful scene, taken about an hour and a half before sunrise on Monday, and the second taken a little before solar midnight last night.