Riverside Astronomical Society—Outreach, star parties, dark sky site, and you!
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The Riverside Astronomical Society is justifiably proud of its newsletter. Every month member contributions inform, educate, and amaze. Our newsletter is typically more than 30 pages of mostly member-contributed content such as articles, reviews, photos, and classified ads. It also contains NASA/JPL contributions, star charts, space launches and sky events.

Click a link below to download a sample of the Prime Focus.

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Medium Resolution
Best for slow Internet connections. Photo quality and overall resolution is reduced.
~7 MB
High Resolution
Best for fast Internet connections and for printing. Photo quality and overall resolution is high.
Join the club to get the newsletter in high resolution!

The monthly Prime Focus is available to members as a PDF download in 2 resolutions. Both contain the same articles and photos, but the quality or clarity of the photos is better in the high resolution version.

If you would like to start receiving Prime Focus monthly, join the RAS!

To contribute an article or photo to Prime Focus, get more information here.

Having trouble downloading or viewing Prime Focus? You may need to update to the latest Adobe Reader. Get it here.