The Solar Halo Display of January 17, 2004

Comet 2004 Q2 (Machholz)   |  The Pleiades   |  Two-day-old Moon   |  The Circumzenithal Arc   |  My AstroWeb Home

Much of the 22 degree halo, plus the upper tangent
arc (and a sundog to the right), that I photographed
from Ridgewood, Queens on January 17, 2004

The halo, upper tangent arc, and a sundog.

Where the solar halo meets the upper tangent arc

A real traffic-stopper.

The upper tangent and circumzenithal arcs.

The circumzenithal arc.

E-mail to tonyhoffman [at]