Because the event will be held outside please bring warm clothing and if you do bring a torch, please cover it with a red filter
(a simple skimmed milk red lid works very well apparently).
At a first look, the view of the Wirral shore, entitled Just a Buoy, from Michael Checkland, looks as if it could have been the product of an orange or red filter
, although the lighter shade of the sky nearer the horizon gives the use of the graded effect away.
Windows dressed in gauzy red filter
a parking lot view.
Take a flashlight just in case - and bring along a red filter
or a red piece of cellophane to put over the flashlight at the observatory.
Amber and red filter
out blue, for example, which makes it easier to see a football or cricket ball against a blue sky.
I love the contrast and level of detail available, and frequently use a red filter
to bring out strong skies," he adds.
It has five LEDs with three brightness settings and comes with a camo band and red filter
that pivots into place over the bulbs.
SureFire suggests the red filter
is useful for travelling to a stand in the dark without alarming game, while the blue filter shows up a blood trail if wounded game is being followed after dark.