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Meteor Showers Calendar 2004

adapted for Maine


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Image courtesy NASA's 
Marshall Space Flight Center

General advice for observing Meteors

    Each meteor shower is named for the constellation – major grouping of stars -- from whose direction the meteors will appear to radiate. Obtain and use a star chart to familiarize yourself with the night sky on your observing date. Many meteor shower radiants do not rise before midnight, making  observation best between midnight and morning twilight. Plan your observing session as close to the date/ time of shower peak as possible. Find a dark observation site, as far from outdoor lights as you can. 
    Moonless skies are the most favorable. Even at crescent or quarter phases you may be able to work around moonlight interference by observing before moonrise, or after moonset. However meteor showers which occur near the time of gibbous or full moon give little such leeway.
    Allow time for your eyes to adjust to dark conditions. If you must have light to consult a star chart or to make notes, use a dim flashlights covered with red cellophane. Telescopes or binoculars are not necessary. A reclining lawn chair or a sleeping bag on the ground are the most comfortable ways to go. Direct your gaze a bit above the midway point between the horizon and the zenith, in the general direction of the shower radiant. The word "shower" is figurative.  Have patience and enjoy Nature's show!

Shower Name
(1)
Activity Period
(1)
Peak Date/Time (1, 2)
EST/EDST
Lunar phase near peak Gramer's Rating  (3)

Idealized Hourly Rate "ZHR"
(1)

Typical Hourly Rate
(4)
Quadrantids Jan.. 1 - 5 Jan. 3, 6 pm

Very Strong 120 10
Virginids Jan. 25 - Apr. 15 (Mar. 24)

Weak 5

--

Lyrids Apr. 16 - Apr. 25 Apr. 21, 1 pm

Medium to Strong 18 7
Eta-Aquarids Apr. 19 - May 28 May 4, 9 am Strong to Very Strong 60 6
Sagittarids Apr. 15 - July 15 (May 19) Weak 5

--

Southern Delta-Aquarids July 12 - Aug. 19 July 28, 12 am Strong 20 7
Northern Delta-Aquarids July 15-Aug. 25 Aug. 8

 --

4

--

Perseids July 17 - Aug. 24 Aug. 11, 4 pm Very Strong 110 20
Alpha-Aurigids Aug. 25 - Sept. 5 Aug. 31 Medium 7

--

Delta-Aurigids Sept. 5 - Oct. 10 Sept. 9 Weak 5

--

Draconids Oct. 6 - 10 Oct. 8 Very Weak to Very Strong var.

--

Orionids Oct. 2 - Nov. 7 Oct. 21, 1 pm Strong 23 10
Southern Taurids Oct. 1 - Nov. 25 Nov. 2, 2 am Weak 5 6
Northern Taurids Oct. 1 - Nov. 25 Nov. 12 Weak 5 6
Leonids Nov. 14 - 21 Nov. 17, 3 am Strong to Very Strong 56+ 10
Alpha-Monocerotids Nov. 15 - 25 Nov. 21 Usually Weak var.

--

Geminids Dec. 7 - 17  Dec. 13, 2 am Very Strong 120 35
Coma Berenicids Dec. 12 - Jan. 23 Dec. 19 Weak 5

--

Ursids Dec. 17 - 26 Dec. 22 Medium 10 5

Key to Lunar phase icons

Phase

Symbol

Moon's approx.
age (days)

Likely interference for late evening observation

Phase

Symbol

Moon's approx.
age (days)

Likely interference for late evening observation
New Moon

0 None Full Moon 15 High
Waxing Crescent 4 None Waning Gibbous 18 None before about 9 pm, then High
First Quarter 7 Moderate, then none after midnight Last Quarter 22 None until midnight, then Moderate
Waxing Gibbous 11 High until nearly dawn Waning Crescent 26 None

Useful Web sites

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rev. 8/19/06