M.A.S. Observatory = Muskegon Astronomical Society Observatory (wastewater facility).

Open Houses

Open houses are scheduled events hosted by members. All visitors are welcomed. There is no charge, but donations are greatly appreciated. We will be viewing the night sky with our telescopes. While waiting for dark at the observatory, we might give a tour or do a presentation. We’ll try to introduce you to amateur astronomy and have plenty of handouts on how to get started.

Feel free to bring your own telescope. We’re here to help you get started and make adjustments. Our viewing pads have electrical outlets. 

If cloudy, viewing is canceled. If it rains, presentations will be in the clubhouse. If weather conditions are questionable, call (231) 777-1013 to find out the status of the open house.

Come equipped. Flashlights can be helpful for finding your way around in the dark, but should be kept directed toward the ground so as not to interfere with observing activities. Insect repellent and warm clothing (particularly for feet, head and hands) are strongly encouraged during appropriate seasons. While the clubhouse has heat and A/C, the rest of the facility is open to the night air.

FYI: Visitors are also welcomed at our regular monthly meetings at the observatory. Zoom meeting invitations available upon request. A business meeting usually last about an hour. After the meeting, if it's clear and dark, we'll try to do some viewing.

If you wish to visit our facility at another date and time, wish to bring a group to an open house or wish to schedule a special open house, please contact us via before the next regular meeting so we can schedule the manpower needed.


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This web page was last updated 04/03/24