42, Orion. Named after Eric Becklin. The Becklin–Neugebauer Object is an infrared source, possibly a protostar, in the Orion molecular cloud complex. Named after Eric Becklin and Gerry Neugebauer. Bessel's Star is 61 Cygni, for a short time the nearest star whose distance was accurately known (measured by Friedrich Bessel in 1838). Also called Piazzi's Flying Star, since Giuseppe Piazzi nominated it as a good candidate for distance measurements (parallaxes). Bidelman's helium variable star is V761 Centauri (HD 125823). Named after William P. Bidelman. Bidelman's peculiar star is KS Persei (HD 30353), a PV Telescopii variable. Bidelman's high-latitude Be star is HD 127617 in Bootes. Bond's Flare Star is V3885 in Sagittarius (Sky Catalogue 2000.0 shows wrong coordinates, 23:31 / -2°45' in Pisces). Borrelly's Star is probably S Ceti (0h 23.8m / -9° 28'). Named after Alphonse Borrelly. Boyajian's Star (or Tabby's Star) is KIC 8462852, an F-type main-sequence star with a highly unusual light curve in the constellation of Cygnus, named after Tabetha S. Boyajian; its peculiar characteristics engendered speculation that a Dyson sphere of an extraterrestrial civilization had been discovered. Branchett's Object (Star) is a possible nova in Scutum (1981). The Brendan Downs Supernova is SN 1997de, in Pavo (in galaxy NGC 6769). Brewer's Star is HD 50169 (a magnetic star) in Monoceros. Named after K. R. W. Brewer. Butler's Star is BT Tucanae / HD 6090 (a flare star at 1:00:18 / -72°44'35" in the Small Magellanic Cloud). Named after C. J. Butler. Caffau's Star is an ultra-metal-poor halo star named after the astronomer Elisabetta Caffau. Campbell's Star is HD 184738, which is the nucleus of planetary nebula PK 64 + 5.1, in Cygnus. Named after William Wallace Campbell. Cayrel's Star is an ultra-metal-poor halo star named after the French astronomer Roger Cayrel. Chanal's variable star is a suspected variable star in Orion (NSV 2229). Chavira's Supernova is SN 1965h in NGC 4666 (in Virgo). Named after E. Chavira. Chevremont's Star is a variable star in globular cluster Messier 2, in Aquarius. Chuadze's Supernova is SN 1967c in NGC 3389 (in Leo). Named after A. D. Chuadze. Chu's Object (Star?) in Perseus, named after You-Hua Chu. The Cohen–Schwartz Star is a T Tauri star and infrared source in Orion. Named after M. Cohen and R. D. Schwartz. Eggen's Nearby Star is CoD -31°622 in Sculptor. Briefly thought to be near the solar system but later found not