Sky Conditions

Weather

River Ridge Observatory Sky Conditions

Astrospheric advanced weather forecasting

The Weather Underground

Jet Stream, when the jet stream is overhead seeing conditions will suffer obscuring fine detail.

Infrared Satellite Imagery, infrared imagery shows moisture in the air and therefire is a gauge of transparency.

Estimating Limiting Magnitude

 

Sky Events

Sky Almanac

This Week’s Sky at a Glance

U.S. Naval Observatory Data Services

Time and Date

Moon Phase Calendar

The Sun Now