Clear Sky Chart
Amateur astronomers forecast for clear and dark skies.
Provides predictions of visible satellite passes from any point on Earth.
Free monthly sky maps and monthly sky calendar.
Seeing Conditions & Transparancy
Seeing Conditions Chart
This handy chart helps you determine Seeing Conditions and Transparency when you’re out in the field.
Questions to ask while observing
Questions to consider when viewing certain types of objects.
Organization promoting astronomy for amateurs and the public.
International Dark Sky Association
Organization raising light-pollution awareness.
NASA Space Weather Bureau
Science news, real-time space weather forecasts.
The Constellations and their Stars
Contributed by Carrie, a student in Ms. Ward’s classroom in Delaware. Thanks Carrie!
One Minute Astronomer
Sign up to receive these informative astronomy emails.