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 info@salsa-astro.com.

What’s in the sky right now?


In The Sky - Current positions of planets and constellations

Heavens Above - Satellite tracking

Clear Sky Chart - San Antonio sky conditions

Deep Sky Objects Browser - 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.  [Other pages follow this one (1-999)]


Inconstant Moon - Moon maps and observing Information

News and Current Events

Stardate - Astronomy radio/podcast and monthly Moon phase calendar

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



Pluto - New Horizons Home Page

Saturn - Cassini Mission

Jupiter - Juno Mission

Mars - Mars Exploration Rovers

Space.com - Space science and events 


NASA National Aeronautics and Space Administration - U.S. space programs and events


NASA TV – Watch what’s going on in space

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