Sunday, January 31, 2021

An Amateur Astronomer’s Credo

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The January 2021 issue of  Astronomy  magazine presented “Studying Galaxies with Amateur Images” by David Martinez-Delgado and R. Jay GaBany...
Saturday, January 23, 2021

Against Dark Skies

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We do not have the same perceptions with light that we do with sound. You can close your eyes. You cannot close your ears. So, we have laws ...
Thursday, January 21, 2021

Baader-Planetarium Micro-Guide Reticle

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This eyepiece can serve any amateur astronomer who wants to make their own measurements of separations and positions of binary stars or the ...
Tuesday, January 19, 2021

Katyusha and History as a Science

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Beware of historians who quote each other. It was a forgotten lesson that I remembered in pieces while commuting about ten years ago.  When ...
Wednesday, January 13, 2021

Music Makes You Braver

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That is a tag line for the music of Two Steps from Hell  founded by Thomas Bergersen and Nick Phoenix. When I was working as a clerk-typist ...
Saturday, January 9, 2021

Hallelujah

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I learned of the song from  The West. Wing  episode where Secret Service agent Simon Donovan is killed in a convenience store robbery. The s...
Thursday, January 7, 2021

Gershon's Equation

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 Today, I discovered the Association of Lunar and Planetary Observers, founded 1 March 1947 in Las Cruces, New Mexico. I had no idea that th...
Saturday, January 2, 2021

Ten Years of Necessary Facts

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This blog was launched on 2 January 2011. It was inspired by Gregory Browne’s  Necessary Factual Truths  (University Press of America, 2001)...
Friday, January 1, 2021

When Worlds Collide

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Over the course of a couple of weeks, I watched the conjunction of Jupiter and Saturn while reading about Bronson Alpha and Bronson Beta app...