Online ordering of Mount Wilson Observatory Merchandise is fulfilled by Spreadshirt.com. Place your orders here!
Show your support with one of our cozy hoodies or sturdy t-shirts. Looking for more Mount Wilson merchandise? Visit us on the mountain at the Cosmic Cafe, or at one of our public events, where a larger variety of items will be available.
All purchases support the Mount Wilson Institute’s mission of managing and promoting the Observatory for scientific research, historic preservation, education, public engagement, and the arts.
Observatory grounds are open daily 10AM-4PM.MORE INFO
The last docent tours for the 2023 season are 11/18-19. See you in the spring!
The last weekend of the 2023 season is 11/18-19. See you next spring!
Cozy hoodies & stylish t-shirts to support Mount Wilson Observatory!SHOP NOW
Your ongoing support is appreciated every day as we bring science history to life!JOIN NOW