Necessary Facts

Observations, reports, and discoveries that are true of necessity because they are perceivable and reasonable, empirical and logical, evidentiary and rational, synthetic and analytic. Truths are objective statements.

Showing posts with label amateur astronomy. Show all posts

Sunday, July 5, 2026

Telescope Toy Story

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You know the story. Andy’s sixth birthday brings him Buzz Lightyear, displacing Sheriff Woody. The other toys share Woody's grief until ...

Thursday, June 18, 2026

Targets in Scorpius (also Messier 22)

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I got out for the first time since March 25. Nominally clear-ish, everything was faint with city lights and water in the air. Aside from Sco...

Sunday, March 22, 2026

Setting Up and Using Three Small Telescopes

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21-March-2026 General Observing - 14:00 - With a weather forecast of clear and warm (70F) tonight, I took out my usual telescope, an Explor...

Monday, March 24, 2025

Sigma Orionis

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We think of Orion as a winter constellation because with shorter days it appears in the early evening sky. It is on the median at 9:00 PM on...

Tuesday, December 31, 2024

Astrophotography Session

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My instrument was an Astro-Tech 115 mm apochromatic triplet (extremely low disperson glass) on a Celestron AVX mount and tripod. The ocular...

Monday, December 30, 2024

Solar Imaging

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We are approaching a sunspot maximum for 2024/2025 and already are above statistically likely events. Images with Explore Scientific 102mm...

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About the Author

Michael E. Marotta: Experienced freelance technical writer always looking for more work. Author of over 300 newspaper, magazine and journal articles on topics of business, technology, and society.

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