Magnitude 3.92 | ||
 | ||
Similar Iota Horologii, Iota Horologii b, NGC 1261 | ||
R Horologii (also known as HD 18242) is a red giant star approximately 700 light-years away in the constellation Horologium. It is also a Mira variable with a period of 404.83 days, and ranging from apparent magnitude 4.7 to 14.3—one of the largest ranges in brightness known.
References
R Horologii Wikipedia(Text) CC BY-SA