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Save During the OPT Winter Sale, November 9th - 22nd!

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Solar Filter for Celestron 14 Kendrick
Solar Filter for Celestron 14" SCT
Price $138.00
Gold Accessory Kit with SCT 2 OPT
Gold Accessory Kit with SCT 2" Diagonal
Price $269.95

Web Resources for ASTRONOMY IN SOUTHERN CALIFORNIA


Friends of Palomar Observatory
Join this non-profit organization to support the educational outreach program. Members receive invitations to special tours, observing sessions, and lectures!
Reuben H. Fleet Space Science Center
Located in San Diego, California's beautiful Balboa Park. IMAX theatre, interactive science center, gift shop, and more.
Observer's Inn
The Observer's Inn is located in the beautiful mountain community of Julian, California. Visitors who stay at the cozy guest house will receive a one hour tour of the night sky from the on-site observatory. Guests are also welcome to bring their own telescopes and set up on one of several concrete pads provided. Sky Tours are also available for visitors staying elsewhere.
RTMC Astronomy Expo
The Riverside Telescope Maker's Conference is held annually over Memorial Day weekend in the San Bernardino mountains east of Los Angeles. RTMC is one of the biggest astronomical gatherings in the world, and OPT is always there.
Palomar Observatory
Home of the 200" Hale Telescope. Includes information on visiting the facility in the mountains east of North County San Diego.