Red Sprite Cluster April 12 2012_0629.26-27UT
This red sprite cluster is currently being analyzed and I hope to post more information soon.
Color image here: heliotown.com/Sprites_April_12_2012_0629.26_27UT.html
The sprites occurred in the Amarillo, Texas vicinity. Perhaps north of Amarillo.
More red sprite captures here: http:heliotown.com/Table_of_Contents.html