Image index		Lowitz arcs Washington DC, November 27, 2006 imaged in black and white by Fritz Myer using a 10mm lens and red filter on a Canon Digital Rebel. The display was seen over a large area and there were several Lowitz sightings. Here the upper Lowitz arc is prominent on the left of the sun where it becomes tangent to the suncave Parry arc. It also strengthens the 22° halo at 10 o'clock. The 22° halo is correspondingly weak near to the left-hand parhelion where there is perhaps another trace of the upper Lowitz arc. Image ©Ftritz Myer, shown with permission.