Stargazing Tools

Bay Area Clear Sky Clocks

San Francisco: San Francisco, CA Clear Sky Clock
Mount Tamalpais State Park: Mount Tamalpais State Park, CA Clear Sky Clock
Click on a bar image above to get the current astronomy viewing conditions for San Francisco or Mt. Tamalpais.

San Francisco Weather Forecasts

SF Gate
Accuweather Astronomy Weather (SF Presidio)
Weather Channel
Exploratorium Weather Camera
SF Ocean Beach/Lands End Camera

Naval Observatory Portal

Click for an explanation of what is up in the night sky for a particular week.  An excellent educational tool for beginners.

Online Sky Map

To view which celestial objects are visible in the sky tonight or any date or location you choose, click here to visit an online Sky Map.

Home Science: Backyard Astronomy Basics

To get started with back yard astronomy click here to get started.

Handbook for Night Sky Tours Guides (from Randy Culp)

Handbook Home

Spring Sky Tour           Summer Sky Tour             Autumn Sky Tour            Winter Sky Tour

A Summary of the Constellations and the Features of Each

Telescope Equations

Observing Resources from Popular Astronomy Publications

Sky and Telescope Magazine                           Astronomy Magazine

Stellarium Planetarium

Free open-source planetarium software for your desk or laptop computer