V394 Aurigae
V394 Aurigae is a semi-regular variable star in the constellation Auriga. Its brightness varies between magnitudes 6.01 and 6.11, so it is faintly visible to the naked eye under ideal observing conditions. Located around 730 light-years distant, V394 Aurigae shines with a luminosity approximately 985 times that of the Sun and has a surface temperature of.
In 1991, Leroy F. Snyder discovered that the star, then called HR 2146, is a variable star. It was given its variable star designation, V394 Aurigae, in 1993. Koen and Eyer found that the star's brightness, as seen by Hipparcos, varies with a period of 3.9 days.
It is a double star: the secondary, designated V394 Aurigae B, is an eleventh-magnitude F7V star with a separation of 10 arcseconds.