It consists of a papule from which the contents are not easily expressed. When inflamed these lesions form pustules and nodules. The open form of comedo, called a blackhead, is rarely inflamed. It has a dilated opening from which the oily debris is easily expressed.
The Tropic of Capricorn is the circle marking the latitude 23.5 degrees south where the sun is directly overhead at noon on December 21, the beginning of winter in the northern hemisphere.
In mid of August Capricornus culminates at about 23:30 LT (11:30 pm). The declination of the constellation borders ranges from -28 to -8 degrees. Brightest star is Algedi, alpha Cap, seen at the upper right. Algedi is an optical double star i.e. the two components are aligned by chance along the line of sight.