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RAC at RochesterFest 2026

June 28, 2026 Josef Chlachula Comments Off on RAC at RochesterFest 2026
Solar Observing at RochesterFest The Rochester Astronomy Club marked another successful community outreach event on Saturday, June 27, celebrating its second annual appearance at RochesterFest. To combat the summer heat, club members Randy and Lynn thoughtfully provided a sturdy yellow canopy shelter, offering a much-needed reprieve from the blazing sun. Once settled in the shade, visitors were treated to an […]
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Observing Alpha Centauri from Fort Myers Beach

February 8, 2026 Josef Chlachula Comments Off on Observing Alpha Centauri from Fort Myers Beach
On my recent trip to Fort Myers Beach, Florida, I set my astronomical observation goal to observe the nearest bright star, Alpha Centauri. Alpha Centauri is known to be 4.3 light years away. The really closest star is Proxima Centauri at 4.2 light years away, with a brightness of 10.43 – 11.11 magnitude. It is 2.18° southwest of Alpha Centauri […]
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The Story of the Universe in 100 stars

December 21, 2025 Josef Chlachula Comments Off on The Story of the Universe in 100 stars
In August I received a generous gift in the form of the book “The Story of the Universe in 100 stars”. I started reading and realized that each chapter – a star – contains an interesting story, something I did not know or forgot. And since the book is divided into 100 chapters, one chapter is the story of one […]
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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 […]
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My first contributor post

November 28, 2024 Josef Ch Comments Off on My first contributor post
Hello everyone! This is just test article (or post) to test writing and publishing process.  I believe, this my profile “chlachula” has in this moment WordPress user roles Contributor and Subscriber. As a contributor, I have to submit article for review. I am going to publish in Members Blog category.
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Frontenac Summer

July 30, 2023 Josef Chlachula Comments Off on Frontenac Summer
On Saturday, July 29, a long-planned astronomical observation took place in Frontenac State Park. Fortunately, the weather was nice and clear. People can especially enjoy walking the various trails in the park. For example, the Lower Bluffside Trail Loop takes you all the way down to the Mississippi River here called Lake Pepin. Members of the Rochester Astronomy Club arrived […]