The Moon

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The Moon

• Drawing of Features
• Quick!
• Use scale
• 0black, 10white
• Near terminator
• Quarter phases

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Best Features

• Well defined craters
• Ridges
• Mountain Chains
• Discolorations

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Copernicus (39)
Tycho (86)
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Plato (72)
Kepler (57)
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Archimedes (24)
Alphonsus (22)
Theophilus (84)
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Alps Mts (B)
Apennine Mts (F)
Altai Mts (E)
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Lunar Transient Phenomena

• Unpredictable
• Flashes of color/light
• Outgassing?
• Volcanism?
• Illusions?
• Impacts?

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Occultations

• Timing is everything!

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International Occultation Timing Association
(IOTA)

• Maps
• Notice of events
• Object types (planets, asteroids, stars)
• Location dependent
• Time dependent
• Hints for observations, recording

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Earthshine
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Lunar Eclipses
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Danjon Brightness Scale

• Brightness best measured at mid-totality
• L 0
• Very dark eclipse. Moon almost invisible,
  especially at mid-totality.
• L 1
• Dark Eclipse, gray or brownish in coloration.
  Details distinguishable only with difficulty.
• L 2
• Deep red or rust-colored eclipse. Very dark
  central shadow, while outer edge of umbra is
  relatively bright.
• L 3
• Brick-red eclipse. Umbral shadow usually has a
  bright or yellow rim.
• L 4
• Very bright copper-red or orange eclipse. Umbral
  shadow has a bluish, very bright rim.

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Future Total Lunar Eclipses

• December 21, 2010
• April 15, 2014
• October 8, 2014
• April 4, 2015
• September 28, 2015