Mount Diablo Astronomical Society

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In partnership with the
Astronomical Society of the Pacific

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Date: Saturday, July 18, 2026

Time: 8 p.m. - 11 p.m. Pacific

Location: Mount Diablo - Lower Summit Parking Lot
Summit Rd
Clayton, CA 94517

Legend:

Moon

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto

Legend:

Moon

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto

This chart represents the sky one hour after sunset on July 18, 2026 at the event location.

Chart generated from Your Sky.

Sat 7/11/2026

10:30 a.m. - noon Pacific

Oakley Library's Summer Reading Party Oakley Library
1050 Neroly Road Oakley, CA

Sat 7/11/2026
- Tue 7/14/2026

Golden State Star Party Golden State Star Party
Adin, CA

Mon 7/13/2026

7 p.m. - 8 p.m. Pacific

Sat 7/18/2026

8 p.m. - 11 p.m. Pacific

Public Astronomy Program: We Are Stardust! Mount Diablo - Lower Summit Parking Lot
Summit Rd Clayton, CA