|
|
|
Alpha Coronae Borealis is the brightest member of this pleasant grouping.
With the naked eye, beginning at Arcturus (alpha Boötis), note the shallow triangle formed with epsilon Boötis to the northeast and alpha Coronae Borealis to the east.
Binoculars show most of the asterism which portrays the royal diadem worn by Ariadne.
R CrB, in the same field, is an intriguing variable. Usually a 5.9 magnitude, the star has been known to suddenly drop to near invisibility (around 14 visual magnitude) then take several months to regain its normal magnitude.
|