IMPORTANT: 

There will be no more open houses until next semester, check back then to see the schedule and dates!

Open houses are free, inclusive opportunities to learn more about astronomy and experience the universe firsthand. At each open house, members of SAS operate the telescopes and the planetarium of the Angell Hall Observatory. Visitors can view astronomical objects through the 8" and 0.4m telescopes (weather permitting), watch a planetarium show on a number of interesting topics, or learn about the cosmos from a presentation. 

We are planning to hold in-person meetings in accordance with the University's COVID policies for Fall 2024 and Winter 2025. Find the dates for each day below. We are looking forward to seeing many of you back and welcoming new members to SAS. Please feel free to reach out if you have any questions!

The door under the North side of the stairs facing State Street will be unlocked for the open houses on:

• Friday, January 31st, 8:00 – 10:00 pm

• Friday, February 14th, 8:00 – 10:00 pm

• Friday, March 14th, 9:00 – 11:00 pm

• Friday, March 28th, 9:00 – 11:00 pm

• Friday, April 11th, 9:00 – 11:00 pm 

That's the door with a ramp leading down to it and a button to open it, so it's fully accessible!

Schedule

Open Houses are held on Friday nights and typically on the same week as our General Meetings. If weather permits, you will be able to go between the third and top floors to see the planetarium show as well as participate in observing. If conditions aren't the best for observing, we will still carry on our planetarium shows on the third floor. The first show starts at 9:00 and the next at 9:40, and the last show of the night is at 10:20 pm-- and the same goes for the winter shows, just one hour earlier.

Winter 2025

• Friday, January 17th, 8:00 – 10:00 pm @ the Angell Hall Planetarium Room 3118

• Friday, January 31st, 8:00 – 10:00 pm @ the Angell Hall Planetarium Room 3118

• Friday, Feburary 14th, 8:00 – 10:00 pm @ the Angell Hall Planetarium Room 3118

• Friday, March 14th, 9:00 – 11:00 pm @ the Angell Hall Planetarium Room 3118

• Friday, March 28th, 9:00 – 11:00 pm @ the Angell Hall Planetarium Room 3118

• Friday, April 11th, 9:00 – 11:00 pm @ the Angell Hall Planetarium Room 3118

Observing

From light-polluted Ann Arbor, the best subjects for viewing are typically the planets, the moon, the constellations, and colorful binary star systems. We also can show you a few of the brighter nebulae, star clusters, and galaxies in the sky. Visitors are encouraged to bring binoculars and lots of questions for the present SAS members. Keep in mind that the objects we can observe depend on the time of year so there are new things to see at each open house!

Please check our social media or the section above on the day of an open house to see if the weather will permit us to take the telescopes out and observe.

Planetarium Shows

Angell Hall's planetarium projects more than 7000 stars, the sun, the moon, the planets, the Milky Way, and star clusters. Come see what the night sky looks like without light pollution! Planetarium shows are held during all open houses rain or shine. Each planetarium show lasts approximately 35 minutes, and there are typically 3 shows per night. 

Location

The Angell Hall Observatory is located on the roof of Angell Hall (435 S State St), on the University of Michigan's Central Campus.

The Angell Hall Planetarium is located on the third floor of Angell Hall, in room 3118. 

Angell Hall is the western part of a four-building complex, which also includes Tisch Hall (south), Haven Hall (southeast), and Mason Hall (northeast). Most of the entrances into the complex are open in the early evening. However, they will automatically lock later in the evening, at which time you will need MCard access to enter. The two most convenient and commonly-used entrances are:

• East (Diag) Entrance - This entrance is located in the middle of the complex as you approach from the Diag. You will have to walk through the ground floor of Haven Hall to reach Angell Hall. If it is locked, the MCard reader is to the left of the doors.

• West (State St.) Entrance - This entrance is located facing State St, just up the outer stairs and behind the columns. Once you enter, the elevators will be immediately to your front left. If it is locked, the MCard reader is next to a column to the left of the doors.

Once inside the building, follow the posted signs for the Astronomy Open House until you reach the elevators, and take them to either the third floor (planetarium) or fifth floor (rooftop observing and other special events). Once you arrive at these floors, there will be further signs directing you to your destination.

Parking:

Ample public parking, both street and structure, is available all over downtown Ann Arbor. Metered street parking generally operates from 8 am - 6 pm, thus most street parking during open house hours is free (be sure to check the meter!). Nearby parking structures include the Maynard St structure (accessible from either Thompson St or Maynard St) and Liberty Square (accessible from Washington St).