During this period the moon reaches its full phase on Tuesday July 19th. At this time the moon will lie opposite the sun and will lie above the horizon all night long. With the bright lunar glare present most of the night this week, this will be the least favorable time to try and view meteor activity this month.
Read MoreDuring this period the moon reaches its first quarter phase on Monday July 11th. At this time the moon will lie 90 degrees east of the sun and will set near midnight local summer time (LST) as seen from mid-northern latitudes. Toward the end of the period the waxing gibbous moon will be present in the sky most of the night, making meteor observing difficult as the lunar glare will obscure all but the brightest meteors.
Read MoreDuring this period the moon reaches its new phase on Monday July 4th. At this time the moon will lie near the sun and will invisible at night. Toward the end of the period the waxing crescent moon will enter the evening sky but will be too thin and will set soon after the end of dusk to interfere with meteor observing.
Read MoreDuring this period the moon reaches its last quarter phase on Monday June 27th. At this time the moon will lie 90 degrees west of the sun and will rise between midnight and 0100 local summer time for most sites located in mid-northern latitudes. The half-illuminated moon will interfere with meteor observing, but to a much lesser degree than when near its full phase. Toward the end of the period the waning crescent moon will rise during the late morning hours allowing allowing most of the night to be free of lunar glare.
Read MoreDuring this period the moon reaches its full phase on Sunday June 19th. At this time the moon will lie opposite of the sun and will lie above the horizon all night long. Toward the end of the period the waning gibbous moon will rise during the late evening hours allowing a few hours of observing before the lunar glare begins to interfere with viewing.
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