The 20mm 100 Degree Series Eyepiece from Explore Scientific. Normally priced at $499.95 but On Sale now for only $399.99 through May 31, 2012.

Now for a limited time save $200 on the purchase of a Celestron CPC 800 Schmidt-Cassegrain telescope. On sale now for only $1799. Offer ends May 31, 2012.

The SkyProdigy 130 combines a five-inch Newtonian telescope with Celestron's StarSense™ technology for automatic alignment. Now only $699 with free UPS Ground shipping!

Save $1000 with special introductory pricing in effect now through May 31, 2012. This product drop ships direct from the manufacturer.

The Meade Ultra-Wedge provides suitable stability for any LX200 telescope from eight to fourteen inches in aperture. An Equatorial Wedge permits precise polar alignment of your telescope in equatorial mode (compared to Alt/Az mode).

The Atik Titan is an entry level camera that can perform either deep space or planetary imaging, plus it will make a fine guider if you ever outgrow it.

Our celestial atlases are the standard by which all others have been judged for a half century. Now we've raised the bar with our new Pocket Sky Atlas! There has never been a more detailed atlas so handy to take on trips and use at the telescope.

Save $500 with special introductory pricing available through May 31, 2012. This product drop ships direct from the manufacturer.

Orion 12" XTg GoTo Dobsonian: no other telescope on the market offers this much aperture combined with go-to convenience at a price well under $2000.

Now for a limited time save $200 on the purchase of a Celestron CPC 925 Schmidt-Cassegrain telescope. On sale now for only $2299. Offer ends May 31, 2012.

Now for a limited time save $200 on the purchase of a Celestron CPC 1100 Schmidt-Cassegrain telescope. On sale now for only $2799. Offer ends May 31, 2012.

The Explore Scientific 102mm f/7 ED Triplet APO is on sale for only $999.99 now through May 31, 2012. You save $400!