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Comet ISON Update

Comet ISON

Comet ISON will probably be bright enough for naked-eye viewing from mid-November until the end of the year. Current predictions are for it to shine at magnitude –4.5, about the brightness of Venus, around November 28, when it comes closest to the Sun. Comets that are making their first pass by the Sun, like ISON, are notoriously unpredictable, although many have become quite spectacular. Even if it’s not the comet of the century, it will certainly be beautiful, and astronomers around the world are excited to see how it develops.

IfA will sponsor viewing opportunities on O‘ahu just before sunrise in late November at a location on the windward side. For exact times and places, check the IfA website, or our Facebook page or Twitter feed (UHIfA). To get on our special events mailing list, send an email to ifaevents@ifa.hawaii.edu. For events on Hawai‘i island, see the website of the Mauna Kea Astronomy Outreach Committee.

Comet ISON. Gemini Observatory/AURA.