This week’s sky at a glance

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This Week’s Sky at a Glance, April 20 – 28

Friday, April 20 • This evening the dark limb of the crescent Moon will occult 4th-magnitude multiple star Nu Geminorum, in the feet of Gemini, for parts of the southern U.S. and points south. For rough time estimates at your location, interpolate between the time predictions in the April Sky & Telescope, page 48. Saturday,…