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A Field Book of the Stars/Meteoric Showers July to October

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Name of Shower Date Radiant Point Characteristics Other Dates
of Observation
Vulpeculids or Eta Sagittids July 4 Between Cygnus
and Delphinus
Sw. June 13–July 7
Apr. 20,
May 30
Cygnids July 19 Near Deneb
(α) Cygni
Sh. SW. F. July 11—19,
Aug. 22.
July 6—Aug. 16
(α)—(β) Perseids July 25 Between (α)
and (β) Persei
Sw. B, Sk.
after 10 p.m.
July 23–Aug. 4
Sept.15, Nov.13
Aquarids, a
conspicuous shower
July 28 Near the
water jar of
Sl. B.   N. E.
Perseids, fine shower Aug. 10 Near (α)
v. Sw. Sk.   E.
Kappa Cygnids Aug. 17 Near the
Dragon's head
Sw.B. T. Sh. Jan. 17, Aug. 4,
S. E.
Alpha Aurigids Aug. 21 Near Capella
(α) Auriga;
After 9.30 p.m.
v. Sw. Sk.
Sept. 22,
Oct. 2
N. E.
Omicron Draconids.
Rich shower in 1879
Aug. 22 Near the
Dragon's head
Sl. T. Aug. 21–25 N
Epsilon Perseids Sept. 7 Between Capella and the Pleiades After 10 p.m.
v. Sw. Sk.
Aug. 21–25
Sept. 6—8, 21,
Nov. 29.
N. E.
Alpha Arietids Sept. 21 Near Hamal
(α) Arietis
Sl. T. Aug. 12, Oct. 7 E.
Gamma Pegasids Sept. 22 Near and S. E.
of Great Sq.
Sl. July 31.
Aug 25, etc.

The Perseids are of a yellowish color, and move with medium velocity. Their line of flight is from northeast to southwest. They are probably visible for more than a month, from the latter half of July to the last week in August.

The August meteors are known as the "Tears of St. Lawrence."

The Abbreviations under Characteristics are as follows:

  • v.—very
  • M.—Moderately
  • SW.—Swift
  • Sl.—Slow
  • B.—Bright
  • F.—Faint
  • Sk.—Streak-leaving meteors.
  • T.—Train
  • Sh.—Short