Links to Online Astronomy Resources

Many times we are asked what websites SALSA members use to learn more about astronomy. This list was compiled by our entire membership, as a basis for education.  If you have one to suggest, please send it to

What’s in the sky right now?

In The Sky - Current positions of astronomical objects

Heavens Above - Satellite tracking

Clear Sky Chart - San Antonio sky conditions

TELESCOPIUS - Sky targets to observe

APOD - Astronomy Picture of the Day

Space Weather - Solar activity, satellite tracking, viewing times & dates – Enter ZIP code

SEDS Students for Exploration and Development of Space - General info 

SOHO Solar and Heliospheric Observer - Information and real-time images of the Sun

Maps and Charts

Skymaps - Monthly sky charts

Astronomy Café – Free sky charts

NGC New General Catalog - List of deep sky objects

Selenographia - Moon maps and observing Information

News and Current Events

Stardate - Astronomy radio/podcast and monthly Moon phase calendar - Space science and events

Universe Today - Current news and events

Sky and Telescope - Current astronomy news, articles, charts and events

One Minute Astronomer - General info

Cloudy Nights - Amateur astronomy forum

Space Exploration - Missions in Our Solar System







Earth's Moon



Astronomy Software

Stellarium - Free planetarium software for desktops

Star Walk - Planetarium app for mobile devices

San Antonio Astronomy Places

Curtis Vaughn Observatory at University of Texas - San Antonio

     UTSA CVO - Weather Station

Department of Physics & Astronomy at UTSA

Scobee Planetarium at San Antonio College