Star in the constellation Hercules
! style="text-align: center; background-color: #FFFFC0;" colspan="2" | Observation dataEpoch J2000      Equinox J2000
! style="text-align:left" | Constellation
! style="text-align:left" | Right ascension
! style="text-align:left" | Declination
! style="text-align:left" | Apparent magnitude (V)
! style="background-color: #FFFFC0; text-align: center;" colspan="2"| Characteristics
! style="text-align:left" | Spectral type
! style="text-align:left" | U−B 
! style="text-align:left" | B−V 
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110 Herculis (abbreviated to 110 Her) is a star in the northern constellation of Hercules. Its apparent magnitude is 4.19, and it can be faintly seen with the naked eye, according to the Bortle scale. Based on parallax estimates made by the Hipparcos spacecraft, the star is located fairly close, about 62.7 light-years (19.21 parsecs) away.
110 Herculis has a spectrum matching that of an F-type main-sequence star. It is about 1.4 to 1.7 times more massive than the Sun, and about two times wider than the Sun. Its effective temperature is about 6400 K. An infrared excess has been detected, indicating the presence of a circumstellar disk.
110 Herculis is the 17th-brightest star in the constellation. It is located in the sky about halfway between Rasalague in Ophiuchus and Albireo in Cygnus, offset a trifle west. 110 Herculis, along with its apparent neighbors 111 Herculis, 112 Herculis, and 113 Herculis lie close to the eastern edge of the constellation of Hercules.
References.
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