Michael’s Miscellany: The gegenschein

If your observing site has a limiting magnitude of 6 or better, you have an opportunity to see an elusive sight known as the gegenschein. Simply look toward whatever constellation of the zodiac is opposite the Sun, once that constellation has risen past about 25° altitude. Astronomers call this location the antisolar point. And although an altitude ofContinue reading “Michael’s Miscellany: The gegenschein”
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