Amateur Astronomers Association of Princeton logo
Beginning with the September 9th, 2014 Peyton Hall meeting and going forward, the monthly meeting will commence at  7:30 P.M.

Atacama Large Millimeter/submillimeter Array (ALMA)

Enthusiasm for observational astronomy, curiosity about cosmology, achievements with CCD imaging and technology. These and all other aspects of astronomy are interests shared by members of the Amateur Astronomers Association of Princeton. The club is based in Princeton, (Mercer County) New Jersey.

This organization of 100 + promotes astronomy-related activities for members and non-members, novice to expert.  A wide spectrum of astronomy interests are explored at the AAAP through regular meetings, workshops, use of the two club observatories, public outreach and regional star parties.

Come explore our web site.  Here you'll find details about our organization's meetings, discussion topics, members and their scopes, and a lot more. Our organization maintains two observatories: the larger in Washington Crossing State Park (housing a research-grade 355mm Schmidt-Cassegrain catadioptric and historic 159mm Hastings-Byrne refractor). A second facility is found at Jenny Jump State Park in northwestern New Jersey. This houses a 318mm custom-built Newtonian reflector.

Read about the AAAP in this article from a recent issue of Princeton U.S. 1.

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Exploring Our Place in the Universe: A Voyage with Aram Friedman
Tuesday, September 9, 2014 at 7:30 p.m in Peyton Hall

Our most powerful observatories can detect objects out to 13 billion light years. But theory suggests we should see more. Why don't we? What will it take to peer into the darkness? What will we find? With the aid of the Micro Dome real-time simulator, Aram Friedman will lead a voyage from Earth to the edge of the observable universe -- a voyage that will begin a tthe next meeting of AAAP in Peyton Hall on September 9 at 7:30 p.m.

Friedman spent 30 years as a broadcast and post-production engineer in NYC, designing and maintaining facilities for ABC, NBC and CBS. He has also built custom electronics and software for movie special effects in New York, Los Angels and Las Vegas.

In 1998, Friedman was asked to design and supervise new construction a the NYC's Hayden Planetarium. Two years and $6 million later, visitors to the planetarium were taken on a real-time journey to the edge of the observable universe. Today, using a portable simulation of his own design, Friedman explores the universe with astronomy enthusiasts around the state. Friedman also teaches for Northrop Grumman, prime contractor for the James Webb Telescope, the space-based observatory that will replace the aging Hubble.

On June 5, 2012, as part of a Williams College expedition, Friedman recorded the last transit of Venus in this century. the visible-light time-lapse recording is now part of the permanent record of the American Astronomical Society, the National Geographic Society and the BBC.


AAAP is getting ready for a weekend of observing near earth and far away objects in our universe from a beautiful dark spot just 90 minutes from Princeton.
Join us for nightlong star gazing and day time viewing of sun spots.

Hope Conference and Renewal Center, Hope, NJ
Friday, September 26th, 2014 to
Sunday, September 28th 2014

Click here for more information and registration form.

September 2014 through June 2015 Monthly Meeting Season (at Peyton Hall)
Peyton Hall (right) is the location of the 2014 - 2015 AAAP monthly meetings. The building is home to the Department of Astrophysical Sciences, and is located just east of Washington Road, adjacent to Palmer Stadium, on the Princeton University campus.  Meetings are on the second Tuesday of each month and begin promptly at 7:30 PM in the lecture hall (first floor) of Peyton.   

Meetings start with brief announcements of general interest, followed by a guest speaker presentation.  After the guest speaker, the general meeting commences, reviewing current and future club activities, astronomy news, and public outreach projects.   Regular attendees of the lectures are encouraged to become paid members to support these popular speaking events.  Please email the AAAP for additional details.
Princeton University students also host a telescope open house at Peyton Hall concurrent to the end of our meeting. If the sky is clear, stop up to glimpse the universe.

Peyton Hall

The AAAP Observatory Weekly Open House   ( 2014 Season Begins Friday Evening, April 4th )

The Simpson Observatory Public Open House schedule has ended, for the 2013 season..  Our thanks to all the guests who visited use during this observing year.
Public nights will resume April 4th, 2014.   The facility is located in Washington Crossing State Park, a few miles outside Pennington, NJ.

Guests are shown a myriad of astronomical wonders including planets, The Moon, galaxies, nebulae, star clusters and much more. Learn the seasonal constellations and how to identify them.  AAAP astronomers operate a 6.25" Hastings Byrne refractor and a research-grade Celestron 14" Schmidt-Cassegrain on a Bisque Paramount ME mount.  AAAP members often set up additional equipment adjacent to the observatory. Visitors are welcome to bring telescopes.

For directions, and further details, please visit the observatory page.

Mouse over any image for an accompanying caption.

 AAAP 50th Anniversary Gala Sponsors