Then I found a second one. He returns to talk about past conjunctions on the 400 year cycle as well as "triples."
They are both amazing. Informative, explained with clarity, backed by solid maths.
Observation notes (with equipment details), photos, sketches, reviews, software tips, random thoughts, by an amateur astronomer.
Then I found a second one. He returns to talk about past conjunctions on the 400 year cycle as well as "triples."
They are both amazing. Informative, explained with clarity, backed by solid maths.
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