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Moon Enters Waning Crescent at 42% Illumination, NASA Says

The moon will dim each night this week on its way to the new moon.

Overview

  • As of Oct. 14, the moon is a waning crescent with about 42% of its surface illuminated, according to NASA's Daily Moon Observation.
  • The lunar age is about 23.06 days in a roughly 29.5‑day cycle, signaling only days remain before the cycle resets.
  • This follows Oct. 13’s last quarter at roughly 50% illumination, a phase NASA says appears half lit and typically rises around midnight and sets around noon.
  • NASA describes the waning crescent as a thin curve, and observers can view features such as Tycho, Oceanus Procellarum, and Kepler with the naked eye, with Gassendi, Alphonsus, Fra Mauro, Schiller, and Reiner Gamma visible with optics.
  • The next full moon is Nov. 5, and some coverage also places today’s phase in Leo with symbolic themes of release and completion.