Visit to the Astronomical Observatory of Pittsburgh's Original
Buhl Planetarium and Institute of Popular Science by the
Alternative Curriculum Astronomy Workshop, The Tripoli Federation
1975 April 2
And Annual Workshop Exhibit at Buhl Planetarium

Authored By Glenn A. Walsh *** Sponsored By Friends of the Zeiss
Electronic Mail: < tripoli@planetarium.cc > *** Internet Web Site Cover Page: < http://www.planetarium.cc >
2009 March

On the Wednesday Evening of 1975 April 2, the Alternative Curriculum Astronomy Workshop of The Tripoli Federation visited Pittsburgh's original Buhl Planetarium and Institute of Popular Science. Between 9:30 and 10:00 p.m. they viewed the planet Saturn, Buhl Planetarium's Astronomical Observatory, utilizing Buhl's primary telescope: 10-inch Siderostat-type Refractor Telescope (sometimes referred to as the "Heliostat" or the "Siderostat"). Observing Saturn was not possible after 10:00 p.m., as the sky clouded considerably at that time. Prior to the astronomical observing, the group attended the Planetarium Sky Show, "Cygnus X-1."

The following digital images record the subsequent report of this visit --

Dyke, Barb V., et.al. "Saturn Through the Buhl Planetarium Heliostat."
Report of the Alternative Curriculum Astronomy Workshop,
The Tripoli Federation, Pittsburgh 1975 April 2.

Cover Page

Page 2

Page 3 - Drawing of Saturn (F.G. Graham):
As Published *** Rotated Clockwise

Page 4

Workshop Annual Exhibit at Buhl Planetarium

On an annual basis in the 1970s, the Alternative Curriculum Astronomy Workshop of The Tripoli Federation also displayed an exhibit (staffed by various Workshop members) on Astronomy at Pittsburgh's original Buhl Planetarium and Institute of Popular Science. Click here to read the 1975 September 24 notice, regarding the 1975 Workshop exhibit, which was displayed at Buhl Planetarium from 1975 October 26 to November 16.


Authored By Glenn A. Walsh *** Sponsored By Friends of the Zeiss
Electronic Mail: < tripoli@planetarium.cc > *** Internet Web Site Cover Page: < http://www.planetarium.cc >
This Internet Web Page: < http://buhlplanetarium3.tripod.com/observatory/tripolivisit.html >
2009 March

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