PHILADELPHIA (CBS) – Astronomy buffs were hoping for clear skies Thursday night as they mark a local science event.

Astronomy night will be observed at a number of locations around the city including observatories at the Franklin Institute, Drexel University, and the University of Pennsylvania. Local astronomy clubs are also participating so check with your local organization if you can’t get to the observatories.

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Organizers say if nothing else, grab a blanket, go outside and look up. Constellations which will be visible tonight include the big and little dippers, Cassiopeia, Andromeda and Pegasus.

Another highlight of tonight’s activities, NASA astronaut Guy Bluford, will be talking about his adventures in space at the University of the Sciences. It’s all part of Philadelphia’s Science Festival which runs through April 28th.

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Reported by Kim Glovas, KYW Newsradio

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The Franklin Institute’s observatory is just one of a few places where you can take in the view Thursday night.