Tags: Star.
Kappa Herculis (κ Her κ Herculis) is a double star in the constellation Hercules. Traditional names that have been attributed to the star are Marfik Marfak or Marsic all of which come from the Arabic لمرفق Al-Mirfaq meaning the elbow a name (or some derivivation of which) it shares with Lambda Ophiuchi.
