Month: July 2026

Impact point on Moon
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Falcon 9 Upper Stage lunar impact

July 24, 2026 Josef Chlachula Comments Off on Falcon 9 Upper Stage lunar impact
On August 5, 2026 at 1:35 a.m. CDT, the Moon will be approximately at the last quarter and more than 20 degrees above the eastern horizon in the North Central Region. At that time, the second stage of the Falcon 9 rocket will impact on its illuminated part on the left edge. In a telescope, impact of the 4000kg heavy […]
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Observing bright variable star Algol

July 21, 2026 Josef Chlachula Comments Off on Observing bright variable star Algol
Algol, designated Beta Persei (β Persei, abbreviated Beta Per, β Per), known colloquially as the Demon Star, is a bright multiple star in the constellation of Perseus and one of the first non-nova variable stars to be discovered. Algol is a three-star system, consisting of Beta Persei Aa1, Aa2, and Ab – in which the hot luminous primary β Persei […]