Looking east at 3 PM, February 19, 2007. Quabbin Mountain.
Moscow 5 camera.

Looking north as above.

Tower on Quabbin Mountain

Polarizing filter on a 90mm Super Symmar mounted on a Toyo 45C.

The sky was highly polarized at my position. Readings dropped five stops as I rotated the filter.

Toyo 45 with Super Symmar

Looking North From Winsor Dam - Moscow 5