Milwaukee Astronomical Society

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In partnership with the
Astronomical Society of the Pacific

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Friday, September 18, 2026

Open House at the Milwaukee Astronomical Society Observatory in New Berlin

Date: Friday, September 18, 2026

Time: 6:30 p.m. - 9:30 p.m. Central

Location: MAS Observatory
18850 W Observatory Rd
New Berlin, WI 53146

Information for Visitors

MAS Observatory
18850 W Observatory Rd New Berlin, WI 53146

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Notes:
Located on Observatory Rd in New Berlin. Just north of National Avenue, 0.7 miles west of Calhoun Rd and 1.1 miles east of Racine Avenue.

Sat 6/20/2026

1 p.m. - 4 p.m. Central

Open House - Summer Solstice Viewing MAS Observatory
18850 W Observatory Rd New Berlin, WI

Thu 8/27/2026

7:30 p.m. - midnight Central

Open House - Lunar Eclipse MAS Observatory
18850 W Observatory Rd New Berlin, WI

Fri 9/18/2026

6:30 p.m. - 9:30 p.m. Central

Open House - Observe the Moon MAS Observatory
18850 W Observatory Rd New Berlin, WI

Fri 10/23/2026

6 p.m. - 9 p.m. Central

Open House - Spooky Skies MAS Observatory
18850 W Observatory Rd New Berlin, WI