fk5
annulus(16:10:38.60, +30:15:22.7,27.5",35") # color=black
-circle(16:10:40.768,+30:15:18.63,20.8178") # color=black
-circle(16:10:35.485,+30:15:39.97,6") # color=black
-circle(16:10:39.328,+30:16:01.47,6") # color=black
-circle(16:10:39.286,+30:15:49.37,6") # color=black
-circle(16:10:38.650,+30:15:58.71,6") # color=black
-circle(16:10:37.970,+30:15:45.26,6") # color=black
-circle(16:10:35.384,+30:15:15.08,6") # color=black