Home   OPOD   What's New    Rays & Shadows   Water Droplets   Rainbows   Ice Halos     Contents     Crystals     Frequent Halos       22° circular       Sundogs       Tangent Arcs         Solar altitude         Image Index           Aerial View       Circumscribed       Pillars       Circumzenithal       Circumhorizon       Parhelic Circle     Infrequent Halos     Multiple Displays     Other Worlds     Observing Halos     HaloSim   High Atmosphere   Links & Resources   Search - Index   123456789012345678		Lower Tangent Arc
		Photographed by Philip Laven of Geneva (site) while waiting to land at London on 9th March '01. "As we left the holding pattern, I saw a brilliant, vividly-coloured lower tangent arc just below the horizontal (the sun was 20� high so the top of the LTA was at about -2�. The manifestation lasted for less than 10 seconds and (as usual) the picture does not do it justice. When I first spotted the LTA, it was extremely bright but it had faded considerably by the time I got my camera into action - and had disappeared completely by the time my camera was ready for a second shot! Photo �Philip Laven.

�