99 Herculis Star In Hercules | Theskylive.com

hercules99 99 Herculis is a multiple main-sequence star of spectral class F7 in the constellation of Hercules.. 99 Herculis visual magnitude is 5.04. Because of its faintness, 99 Herculis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.