The Danjon Scale of Lunar Eclipse Brightness illustrates the range of colors and brightness the Moon can take on during a total lunar eclipse and is a useful tool to observers in characterizing the appearance of an eclipse. Students use the scale to assign an “L” value at three points during the eclipse. After the eclipse, students compare and justify their evaluations of the eclipse. Materials Student worksheet – Download PDF Lunar eclipse times (click the date of the lunar eclipse listed in t