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January 23, 2026
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HomeJohn Walsh

John Walsh

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@jwalsh

Active 1 year, 4 months ago
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John Walsh

Upcoming Events

Jan
23
Fri
6:00 pm CANCELED: Public Presentation & ... @ Oxbow Park
CANCELED: Public Presentation & ... @ Oxbow Park
Jan 23 @ 6:00 pm – 7:30 pm
CANCELED: Public Presentation & Sky Observing 2026-01/23 @ Oxbow Park | Byron | Minnesota | United States
CANCELED due to extremely cold weather Presentation by Randy Hemann When the Sky Glows: How the Northern Lights Work Auroras have inspired myths and scientific inquiry across various cultures and throughout history. In this talk, we will explore the interactions between solar activity, Earth’s magnetic field, atmospheric chemistry, and human perception that create these stunning light displays. The colors and [...]
Feb
10
Tue
7:00 pm RAC Monthly Meeting February 2026 @ RCTC Room EA103 (use the southeastern entrance to RCTC.)
RAC Monthly Meeting February 2026 @ RCTC Room EA103 (use the southeastern entrance to RCTC.)
Feb 10 @ 7:00 pm – 9:00 pm
Please come to the Rochester Astronomy Club monthly meetings! These meetings are free and open to the public. Each month we will try to bring you a different presentation and share observing notes and tips. Agenda will be published on the Sunday before the meeting. We are offering these meetings in a hybrid fashion, you can attend either in person [...]
Feb
27
Fri
6:30 pm Public Sky Observing 2026-02/27 @ Oxbow Park
Public Sky Observing 2026-02/27 @ Oxbow Park
Feb 27 @ 6:30 pm – 8:00 pm
Public Sky Observing 2026-02/27 @ Oxbow Park | Byron | Minnesota | United States
Presentation by Randy Hemann When the Sky Glows: How the Northern Lights Work Auroras have inspired myths and scientific inquiry across various cultures and throughout history. In this talk, we will explore the interactions between solar activity, Earth’s magnetic field, atmospheric chemistry, and human perception that create these stunning light displays. The colors and visibility of auroras depend on altitude, [...]
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