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American Meteor Society

Meteor Activity Outlook for September 15-21, 2018

14 Sep 2018, 08:21 UTC
Meteor Activity Outlook for September 15-21, 2018
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Perseid meteor and Delta IV Heavy rocket trail over Cape Canaveral.Credit & Copyright: Derek Demeter (Emil Buehler Planetarium
During this period the moon will reach its first quarter phase on Sunday September 16th. At that time the moon will lie 90 degrees east of the sun and will set near midnight local daylight saving time (LDT). As the week progresses the waxing gibbous moon will set later and later, shrinking the window of opportunity to view meteor activity under dark skies. The estimated total hourly meteor rates for evening observers this week is near 3 as seen from mid-northern latitudes and also 2 for those viewing from subtropical southern latitudes (25S). For morning observers the estimated total hourly rates should be near 14 for those viewing from mid-northern latitudes and 10 for those viewing from subtropical southern latitudes (25S). The actual rates will also depend on factors such as personal light and motion perception, local weather conditions, alertness and experience in watching meteor activity. Evening rates are reduced during this period due to moonlight. Note that the hourly rates listed below are estimates as viewed from dark sky sites away from urban light sources. Observers viewing from urban areas ...

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