Private observatory and roaming star guides
Give the evening a constellation-sized guest list.
Robert Ferguson Observatory
Private observatory nights pair three telescopes with docents, while separate off-site star guides bring guided sky viewing to private gatherings.
Current location note / listed area: Glen Ellen / Sonoma County, CA
Not an advertised wedding venue. Observatory evening rentals require a separate group-campsite reservation; confirm staffing, mobile radius, darkness, paths and weather or smoke contingency. Celestial views depend on conditions; only staff handle observing equipment.
Public-source research · 2026-10-29 · Not vendor-confirmed or independently vetted.
Original research sources
- https://rfo.org/index.php/rent-the-observatory/
- https://rfo.org/index.php/private-off-site-events/
- https://rfo.org/index.php/contact/
Documented state connections
Geographic evidence is retained historical research, not current service availability.
- California · based
Official rental page offers private group nights at Sugarloaf Ridge State Park; official contact gives Glen Ellen, California mailing address.