Year: 2025

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Observe Titan shadow transits

July 9, 2025 Josef Chlachula Comments Off on Observe Titan shadow transits
This year 2025, we still have a unique opportunity to observe Titan’s shadow passing across Saturn’s disk as we learned at the last members’ meeting from Bob Fealey. Below is an adapted table taken from Sky and Telescope. For mid transits, there are links to Saturn in stellarium-web.org , opens in new tab. Upcoming Titan shadow transits (UT/CDT) Date DoW […]
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Sun at RochesterFest

June 26, 2025 Josef Chlachula Comments Off on Sun at RochesterFest
A public observation of the Sun at RochesterFest was planned for Tuesday 6/24 and for Saturday 6/28. Tuesday 6/24 we planned a public observation of the Sun at RochesterFest from 5 to 7 p.m. Actually, 2025 was the first year that RAC participated in RochesterFest. We were pleasantly surprised by the organizers, who provided transportation for our telescopes and other […]
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Hubble’s challenge to Josef after 35 years

January 20, 2025 Josef Chlachula Comments Off on Hubble’s challenge to Josef after 35 years
I’m old enough to remember the launch of the Hubble telescope. And right after that, the surprising image sharpness problems. NASA came out with a call this year for the 35th anniversary of the Hubble launch, basically for anyone interested in watching the sky overhead. All an observer has to do is tell others about the challenge and they’ll spot […]