ATP-3-09-02 Field Artillery Survey Download
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Chapter 7 7-20 ATP 3-09.02 16 February 2016 Figure 7-18. Gemini 7-50. About 2 hours behind Gemini and Canis Minor is Leo, the Lion (see figure 7-19). The head and forequarters of Leo are sometimes known as the Sickle. The body and tail extend off to the east. The heart of Leo is Regulus ( Leonis). Regulus is another of the four royal stars. It is brilliant white, whereas the others are red. Figure 7-19. Leo 7-51. As soon as Leo is well up in the sky, Virgo (see figure 7-20 on page 7-21) will rise in the east. The bright star in Virgo, called Spica ( Virginis). It makes an approximately equilateral triangle with Denebola ( Leonis) and Arcturus ( Bootis). This triangle is sometimes called the Virgo triangle.