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21 May

Riverside Telescope Makers' Conference

TBA See www.rtmcastronomyexpo.org
21 May

Riverside Telescope Makers' Conference

TBA See www.rtmcastronomyexpo.org
20 May

Recreational Astronomy Night

Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects, or give tutorials and tips on just about everything to do with Astronomy. Talks start at 7:30 socializing starts at 7:00.
20 May

Leaside Library: Getting To Know Your Galactic Neighbourhood

Paola Rodriguez Hidalgo takes us on an exploration of our surroundings, from the local solar system to distant galaxies.
20 May

National Space Society: 34th Annual International Space Development Conference

The International Space Development Conference (ISDC) is the annual conference of the National Space Society. The conference covers several broad areas of study related to building a spacefaring civilization, including transportation to and through space, technology needed to live and work in space, and Earth-based activities to advocate for or educate others about space development.
19 May

ROM: Space Rock Man

Join award winning author and host of Discovery Science’s Meteorite Men Geoff Notkin for a special appearance at the ROM.
17 May

New Moon

The moon is between us and the sun. Without the moon in the sky at night, deep sky objects are easier to observe.
14 May

Frozen Banana Star Party at Mew Lake Campground

Mew Lake Campground, Algonqiun, Ontario, Canada See www.rascto.ca
11 May

Dark Skies Observing

See the milky way and galaxies with the unaided eye. Point your telescope to find the many dim deep space objects that sprinkle the sky. Away from Toronto's light polution, there is so much to see. We observe from the Long Sault Conservation area, an hour outside of Toronto. We meet around dusk once a month in the parking lot for views only seen in dark sky conditions. We hold this event on the first clear night of our week-long window, so the date and time are determined closer to.
9 May

DDO Astronomy Day & Toronto Science Rendezvous

Cloudy or clear, join us for programs including presentations in our Skylab and space-themed arts & crafts (Space Crafts!) and tours of the big telescope. Evening observing - weather permitting through our telescopes on the lawn only.  No direct viewing through the big telescope tonight for crowd safety.
9 May

Globe at Night

Measuring light pollution of your sky, see www.globeatnight.org
9 May

Texas Star Party

Prude Ranch near Fort Davis, Texas, US See www.texasstarparty.org