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January 23, 2026
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HomeJosef Chlachula

Josef Chlachula

Profile picture of Josef Chlachula

@josef

Active 5 hours, 6 minutes ago
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  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic Astronomers around the World in the forum General Discussion 3 years, 8 months ago

    Astronomer and owner of the small busines astro-gadget.net Plakha Alexander was lucky when Russian shell landed in his front yard, but it did not explode.

    See more at article https://skyandtelescope.org/astronomy-news/wartime-skygazing-an-amateur-astronomer-in-ukraine/

    Unexploded shell in frontyard near Kharkiv

  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic Observing tonight? in the forum General Discussion 3 years, 9 months ago

    Unfortunately weather did not change to better, but to worst 🙁

  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic Observing tonight? in the forum General Discussion 3 years, 9 months ago

    Weather tonight 4/1 will not cooperate, but tomorrow Saturday 4/2 there is at least hope. Cloud cover should be under 20%, see https://www.wunderground.com/forecast/us/mn/lanesboro

  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic Astronomers around the World in the forum General Discussion 3 years, 10 months ago

    ESO launches visitor programme for scientists working in Ukraine. More at https://www.eso.org/public/announcements/ann22005/

  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic Astronomers around the World in the forum General Discussion 3 years, 10 months ago

    There was an open letter of the Russian scientists, I saw it on March 3, now it’s gone, see https://trv-science.ru/en/2022/02/we-are-against-war/ But, hey, it’s archived at Wayback Machine at https://web.archive.org/web/20220309075848/https://trv-science.ru/en/2022/02/we-are-against-war-en/

  • Profile picture of Josef Chlachula

    Josef Chlachula started the topic Astronomers around the World in the forum General Discussion 3 years, 10 months ago

    Post from Maciej Zapior, he makes beautiful solarography work, see maciejzapior.com, about his friend radio astronomer Dr. Dudnik at Ukraine:

  • Profile picture of Josef Chlachula

    Josef Chlachula started the topic NexStar 8SE 8" SC and accessories in the forum Classifieds 4 years, 1 month ago

    Friend of mine would like to sell his Celestron – NexStar 8SE 8″ Schmidt-Cassegrain Computerized Telescope and accessories given to him this July 2021. Unpacked, used twice. Asking price $2500, negotiable. Willing to deliver or meet halfway if the buyer lives near by Rochester MN. Contact 507-990-6517

    • NexStar 8SE 8″ Schmidt-Cassegrain…

    [Read more]

  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic Observing tonight? in the forum General Discussion 4 years, 3 months ago

    Nice Saturn, Bob!

  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic June 10, 2021 partial annular eclipse in the forum General Discussion 4 years, 7 months ago

    Partially eclipsed Sun above Root Rive park horizon after sunrise.

  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic Observing tonight? in the forum General Discussion 4 years, 7 months ago

    OK, I am going to leave soon.

  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic Observing tonight? in the forum General Discussion 4 years, 7 months ago

    I am thinking about RR tonight.

  • Profile picture of Josef Chlachula

    Josef Chlachula replied to the topic Observing tonight? in the forum General Discussion 4 years, 9 months ago

    Mike, good to see your nice picture of the https://en.wikipedia.org/wiki/Flame_Nebula Happy to reply for the first time in newly converted forum!

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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