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Astronomy
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amateurAstro
  • Member for 5 years, 7 months
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Retired applied physicist/engineer, and amateur astronomer for many years.

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28
Are there any double stars that I can actually see orbit each other?
Jul 12, 2019
answer
17
What can I see with 10x50 binoculars in bortle class 4?
Jun 2
answer
11
Recording Spectral Lines at Home
Jun 10, 2019
answer
11
Locate stars in sky from list of (x, y) co-ordinates
Jul 19, 2022
answer
10
How (the heck) does Astrometry.net work?
Oct 3, 2019
answer
10
How "fast" do astronomical events occur?
Jun 14, 2019
answer
9
Is there a maximum Julian day?
May 24, 2019
answer
6
If the space is expanding near the speed of light or the speed of light, why Andromeda is approaching or coming near to our galaxy (Milky way)?
Jun 15, 2019
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6
Using a 2" filter on the 1.25" adapter
Jul 27, 2022
answer
5
Calculating Field of View of a Telescope Given Time of Another Object
Apr 4, 2020
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8
Why does ionizing radiation hamper radio communication?