November 18th (UT) Lunar Impacts

Recorded by David Dunham at Mount Airy, MD

Sequences of video fields showing 6 meteor impacts on the Moon.
Click for full field, which shows the arc of the faintly earthlit dark side of the moon.

Not visibleBrightest AfterglowNot visible




F: Impact at 3:05:44 UT. Also recorded by David Palmer in Greenbelt, MD.
Average of 10 fields. // Edge detection




D: Impact at 3:49:40 UT. Also recorded by David Palmer in Greenbelt, MD.
Average of 10 fields. // Edge detection




E: Impact at 4:08:04 UT. Also recorded by David Palmer in Greenbelt, MD.
Average of 10 fields. // Edge detection




A: Impact at 4:46:15 UT. Also seen by Brian Cudnik in Houston, Texas.
Average of 10 fields. // Edge detection




B: Impact at 5:14:13 UT. Also recorded by Pedro Valdes Sada, near Monterrey, Mexico.
Average of 10 fields. // Edge detection




C: Impact at 5:15:20 UT. Also recorded by Pedro Valdes Sada, near Monterrey, Mexico.
Average of 10 fields. // Edge detection

Note: New images of A, B, and C were added on Dec 10, 1999.

Press Release - Dec. 10

Technical Summary - Feb. 16

Moon map showing preliminary impact positions - Dec. 9: Small / Large
Moon map with grid used with edge-detection figures to determine the impact locations - Dec. 8


First Announcement of Confirmed Lunar Impact - Nov. 19

First Accounts of other confirmations - Nov. 24

International Astronomical Union Circular 7320 - Nov. 26

Telescopic videos from Nov. 16-18 wanted for meteor studies - Dec. 1

Let Us know if you observed the moon's dark side Nov. 17-18 - Dec. 1

Let's try to record Geminids - Dec. 10

Reports of possible Geminid impacts - Dec. 22


Story in the Baltimore Sun, 1999 Dec 01 There is no direct link to the article, but from this online search, you can quickly find it by asked for "Dunham" and "David" in the date range that includes 1999 Dec. 1 in the Metro Section.

Image showing Psi 1 Aquarii and southern cusp.

A probable lunar meteor impact was photographed on Nov. 15, 1953, by Dr. Stuart.

Possible observable lunar Leonid impacts were predicted before November. Also, there are many past observations of possible lunar impacts, but all unconfirmed. The Association of Lunar and Planetary Observers organized observations of the Moon in 1955-1962 to try to observe lunar meteors. Read about these interesing accounts here. - 2000 Feb. 24

A NASA web page on Leonids on the Moon includes an animation of Impact A.


David Dunham, IOTA, 2000 Feb. 24
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