Astro Links

Weather and Viewing Conditions

Clear Sky Chart – Graphically shows cloud cover, transparency, seeing, darkness, wind, humidity and temperature data for specific observing sites across North America. Ability to save “favorites”.

Intellicast – Detailed weather data, tailored to your zip code. Useful radar summary shows speed and direction and height of storms

NOAA – Detailed weather data, tailored to your zip code. Hourly forecasts, maps, live looping radar maps First Light Guides


Astrophotography Astrophotography by Jerry Lodrigus Astrophotography by Steve Mazlin, MD Mike Weasner’s Cassiopeia observatory


Miscellaneous  NASA Science News  Astronomy League Emission Spectroscopy Element Identification Weekly astronomy podcast Southern Illinois University NASA Messenger website


Astronomy Equipment and Suppliers

Skies Unlimited Skies Unlimited

Scope Stuff

Meade –

Celestron –

Orion –

Explore Scientific –

Stellarview –

Televue –

Vixen –

Astro-Physics –

Sky-Watcher USA –

Obsession Telescopes –

Questar –


Local Astronomy Clubs Delaware Valley Astronomical Association ChesMont Astronomical Association Chester County Astronomical Society Delaware Astronomical Society Lehigh Valley Amateur Astronomical Society Villanova Astronomical Society Berks County Amateur Astronomical Society Rittenhouse Astronomical Society Amateur Astronomers Association of Princeton Willingboro Astronomical Society


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