The lack of truly dark skies is an issue for the UK at this time of year. Some compensation is the chance to see noctilucent cloud (NLC) displays, and this month we’ll look at how to photograph them to capture their structural movement.
NLCs are high-altitude ice-sheet clouds able to reflect sunlight despite the Sun being below the horizon from ground level. They are typically seen 90-120 minutes after sunset, low above the northwest horizon or a similar time before sunrise, low above the northeast horizon. Extensive