Catch a rare lunar occultation of Jupiter plus Saturn at opposition in early October
It's a busy skywatching month ahead. The first full week of October sees two top-notch skywatching events, with Saturn reaching opposition and the moon occulting Jupiter for North America on Oct. 6.
This month promises two noteworthy skywatching events for North America. On October 6, the moon will occult Jupiter for those in the eastern United States and Canada, with the event occurring during the pre-dawn hours. The moon will be in a 20% illuminated waning crescent phase, meaning the illuminated side leads as Jupiter disappears behind it.
Jupiter will reappear from behind the moon's dark limb, with the entire process taking about a minute due to its apparent size of 34. This spectacle offers a unique opportunity for observation and photography, with the nighttime side of the moon lit by earthshine creating a photogenic celestial scene.
Meanwhile, Saturn reaches opposition on October 4, 2026, making it a particularly bright and visible object in the night sky. Saturn will be near its widest tilt angle, with a ring-related brightness surge of about 0.3 magnitudes, adding to its allure. For comparison, zero-magnitude stars Capella and Rigel offer a familiar reference point for observing Saturn's brightness change. Clear skies are recommended for witnessing these celestial phenomena.
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