BMAA

Public Starwatch
2025-11-14 19:00 - 22:30 UTC | Nockamixon Lake Park, Tohickon Boat Launch, FQGR+J4 Ottsville, Pennsylvania, PA, 18951, United States
CANCELED
Due to cloudy skies, tonight star watch has been CANCELED
Join us for the last Public Star Watch of the year at the Tohickon Boat Launch parking lot. Participation is free and open to the public. Our astronomers will have telescopes available to look through and will be on hand to answer questions. (no rain date)
Before you go please, check our guidelines and tips to ensure that your stargazing will be an enjoyable experience for you and alll those who will attend: https://bma2.org/starwatch-etiquette/

BMAA Monthly Meeting
2025-12-03 19:30 - 21:00 UTC | Upper Dublin Lutheran Church, 411 Susquehanna Rd, Ambler, 19002, United States
BMAA is inviting you to a scheduled Monthly Meeting.
In addition to our regular agenda, this meeting will include a Show-and-tell session. This is an opportunity for members and visitors to share their latest gadgets, astroimages, other great equipment and even experiences.
If you plan to attend in person, please use the entrance to the right of the main entrance, look for the yellow and black BMAA sign.

BMAA Monthly Meeting
2026-01-07 19:30 - 21:00 UTC | Upper Dublin Lutheran Church, 411 Susquehanna Rd, Ambler, 19002, United States
BMAA is inviting you to a scheduled Monthly Meeting.
In addition to our regular agenda items we will have our Holiday social! The evening will include a quiz on “Important Dates in Astronomy” by our Vice-President Gary Sprague. Bring a snack or dish to share.
This meeting will be in-person only. Please use the main entrance, look for the yellow and black BMAA sign.

BMAA Monthly Meeting - Tonight it is On-line ONLY.
2026-02-04 19:30 - 21:00 (Asia/Karachi)
Tonight Monthly Meeting will be ON-LINE ONLY. Use the Zoom link listed on the Events page.
In addition to our regular agenda items we will have a special presentation titled “Deep and Deeper – NASA Space Telescopes: Seeing Better and Deeper Across Space and Time” by John Conrad, NASA/JPL Ambassador.
Beginning with an overview of the critical role of infrared observation for Astronomy and Cosmology, NASA’s major platforms are quickly reviewed. Three of NASA’s space telescopes – Hubble, James Webb, and the upcoming Nancy Grace Roman – are described, with an emphasis on the use of their infrared instruments for ever clearer and deeper views through the cosmos toward the dawn of the universe. Highlights of their most recent achievements are featured. Since the 1990s, these telescopes have enabled a revolution in not only astronomy – but also physics on both large and small scales, and cosmology.
This meeting will be ON-LINE ONLY. Please use the Zoom link on the Events page.

BMAA Monthly Meeting
2026-03-04 19:30 - 21:00 UTC | Upper Dublin Lutheran Church, 411 Susquehanna Rd, Ambler, 19002, United States
BMAA is inviting you to a scheduled Monthly Meeting.
In addition to our regular agenda items there will be a Special Presentation: “Origins of Cosmology from Ancient Greece to Galileo” – by Bill duBell & Jim Cook
Please use the entrance to the right of the main entrance, look for the yellow and black BMAA sign.

Public Starwatch
2026-03-14 19:30 - 22:00, 2026-04-18 20:00 - 22:00, 2026-10-10 19:00 - 22:00, 2026-11-07 19:00 - 22:00 UTC | Nockamixon Lake Park, Tohickon Boat Launch, FQGR+J4 Ottsville, Pennsylvania, PA, 18951, United States
Join us for a Star Watch at the Tohickon Boat Launch parking lot. Participation is free and open to the public. Our astronomers will have telescopes available to look through and will be on hand to answer questions.
Please check this website for updates in case the weather leads to cancellation. Cancellations, if any, will be communicated here by 5:00 PM on the day of the event.
Before you go please, check our guidelines and tips to ensure that your stargazing will be an enjoyable experience for you and alll those who will attend: https://bma2.org/starwatch-etiquette/

Outreach Event
2026-03-25 18:30 - 20:00 UTC | Wissahickon Valley Public Library – Ambler Branch, 209 Race Street, Ambler, PA, 19002, United States
March 25th. 6:30pm, Wissahickon Valley Public Library – Ambler Branch

“How we Know – Creative ways astronomers explore the Universe” – Dwight Dulsky, NASA Ambassador and BMA2 Outreach Coordinator
Over time, astronomers have unlocked many secrets of the universe in very clever and unique ways. In this hour, we will discover how we have come to know some of the great mysteries of the Universe.
This event is free and open to the public, but registration with the library is required to guarantee a seat.

Ambler Public Library, 209 Race Street, Ambler, PA, 19002

Click here to link to the Wissahickon Valley Public Library Ambler Branch and pre-register for this free event.

BMAA Monthly Meeting - Demo on Image Post-processing by James Cahill
2026-04-01 19:30 - 21:00 UTC | Upper Dublin Lutheran Church, 411 Susquehanna Rd, Ambler, 19002, United States
BMAA is inviting you to a scheduled Monthly Meeting.
In addition to our regular agenda items there will be a Special Presentation: “Demonstration on Image Post-processing” by James Cahill.
Please use the entrance to the right of the main entrance, look for the yellow and black BMAA sign.

BMAA Monthly Meeting: Binocular Stargazing by Gary Sprague
2026-05-06 19:30 - 21:00 UTC | Upper Dublin Lutheran Church, 411 Susquehanna Rd, Ambler, 19002, United States
BMAA is inviting you to a scheduled Monthly Meeting.
In addition to our regular agenda items there will be a Special Presentation on “Binoculars Stargazing” by Gary Sprague. Bring your own binos and share your experience using them with the group!
This presentation will cover the use of binoculars for stargazing including a background of the development of binoculars, elements of binocular design, different types and their advantages. We will also cover parameters and definitions as well as design considerations and their utility. We will describe various approaches for using binoculars for astronomy. Finally, we will describe commercially available binoculars and members will be encouraged to bring and demonstrate how they selected and use their own binoculars.
Please use the entrance to the right of the main entrance, look for the yellow and black BMAA sign.

Public Starwatch
2026-05-16 20:10 - 22:30 UTC | Nockamixon Lake Park, Tohickon Boat Launch, FQGR+J4 Ottsville, Pennsylvania, PA, 18951, United States
Join us for a Star Watch at the Tohickon Boat Launch parking lot. Participation is free and open to the public. Our astronomers will have telescopes available to look through and will be on hand to answer questions.
The event opens at 8:10 PM with Pre Star Watch Activities /followed by the Star Watch at 8:35 PM.
Please check this website for updates in case the weather leads to cancellation. Cancellations, if any, will be communicated here by 5:00 PM on the day of the event.
Before you go please, check our guidelines and tips to ensure that your stargazing will be an enjoyable experience for you and alll those who will attend: https://bma2.org/starwatch-etiquette/

BMAA Monthly Meeting
2026-06-03 19:30 - 21:00 UTC | Upper Dublin Lutheran Church, 411 Susquehanna Rd, Ambler, 19002, United States
BMAA is inviting you to a scheduled Monthly Meeting.
In addition to our regular agenda items there will be a Special Presentation on “Star Trackers” by John Urbanchuk
Please use the entrance to the right of the main entrance, look for the yellow and black BMAA sign.

Public Starwatch
2026-06-13 20:45 - 23:00 UTC | Nockamixon Lake Park, Tohickon Boat Launch, FQGR+J4 Ottsville, Pennsylvania, PA, 18951, United States
Join us for a Star Watch at the Tohickon Boat Launch parking lot. Participation is free and open to the public. Our astronomers will have telescopes available to look through and will be on hand to answer questions.
The event opens at 8:45 PM with Pre Star Watch Activities /followed by the Star Watch at 9:15 PM.
Please check this website for updates in case the weather leads to cancellation. Cancellations, if any, will be communicated here by 5:00 PM on the day of the event.
Before you go please, check our guidelines and tips to ensure that your stargazing will be an enjoyable experience for you and alll those who will attend: https://bma2.org/starwatch-etiquette/

BMAA Monthly Meeting: "Electronically assisted observing" by Gary Sprague
2026-07-01 19:30 - 21:00 UTC | Upper Dublin Lutheran Church, 411 Susquehanna Rd, Ambler, 19002, United States
BMAA is inviting you to a scheduled Monthly Meeting.
In addition to our regular agenda items there will be a Special Presentation on “Electronically assisted observing” by Gary Sprague
This presentation will descibe approaches for observing that combine elements of visual observing with camera assist. This technique can be used for planetary as well as deep sky observing.
Please use the entrance to the right of the main entrance, look for the yellow and black BMAA sign.

Public Starwatch
2026-07-11 20:45 - 23:00 UTC | Nockamixon Lake Park, Tohickon Boat Launch, FQGR+J4 Ottsville, Pennsylvania, PA, 18951, United States
Join us for a Star Watch at the Tohickon Boat Launch parking lot. Participation is free and open to the public. Our astronomers will have telescopes available to look through and will be on hand to answer questions.
The event opens at 8:45 PM with Pre Star Watch Activities followed by the Star Watch at 9:15 PM.
Please check this website for updates in case the weather leads to cancellation. Cancellations, if any, will be communicated here by 5:00 PM on the day of the event. Cloud/Raindate Saturday July 18th Same times.
Before you go please, check our guidelines and tips to ensure that your stargazing will be an enjoyable experience for you and alll those who will attend: https://bma2.org/starwatch-etiquette/

Public Starwatch -Perseid Meteor Watch
2026-08-12 20:45 - 23:00 UTC | Nockamixon Lake Park, Tohickon Boat Launch, FQGR+J4 Ottsville, Pennsylvania, PA, 18951, United States
Join us for a Perseid Meteor Watch at the Tohickon Boat Launch parking lot. Participation is free and open to the public. Our astronomers will have telescopes available to look through and will be on hand to answer questions.
The event opens at 8:45 PM with Pre Star Watch Activities followed by the Star Watch at 9:15 PM.
Please check this website for updates in case the weather leads to cancellation. Cancellations, if any, will be communicated here by 5:00 PM on the day of the event. Cloud/Raindate is Saturday Aug 15th Same times, more emphasis on general Star Watching.
Before you go please, check our guidelines and tips to ensure that your stargazing will be an enjoyable experience for you and alll those who will attend: https://bma2.org/starwatch-etiquette/

Public Starwatch-International Observe the Moon Night
2026-09-19 19:00 - 22:00 UTC | Nockamixon Lake Park, Tohickon Boat Launch, FQGR+J4 Ottsville, Pennsylvania, PA, 18951, United States
Join us for a Star Watch-International Observe the Moon Night at the Tohickon Boat Launch parking lot. Participation is free and open to the public. Our astronomers will have telescopes available to look through and will be on hand to answer questions.
The event opens at 7:00 PM with Pre-Moon Watch Activities followed by viewing the Moon through telescopes at 7:30 PM. The Moon Watch ends at 10:00 PM.
Please check this website for updates in case the weather leads to cancellation. Cancellations, if any, will be communicated here by 5:00 PM on the day of the event.
Before you go please, check our guidelines and tips to ensure that your stargazing will be an enjoyable experience for you and alll those who will attend: https://bma2.org/starwatch-etiquette/
