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On February 18, 2006, Soderberg was a member of a group of researchers who detected the gamma-ray burst GRB 060218 located 440 million light years (135 Mpc) away in the constellation Aries.
That's as defined the sphere with a diamerer of 100 light years (within 50 light years radius from the Sun).
In 1987 Astronomer R. Brent Tully of the University of Hawaii's Institute of Astronomy identified what he called the Pisces-Cetus Supercluster Complex, a structure one billion light years long and 150 million light years across in which, he claimed, the Local Supercluster was embedded.
The Rebel Universe concerns a 100 light year diameter volume of space where every Federation starship that enters ends up mutinying and defecting to the Klingon Empire.
UGC 5497 is a dwarf galaxy, located about 12 million light years away in the constellation Ursa Major.
83 Leonis Bb, also catalogued as HD 99492 b or abbreviated 83 Leo Bb, is an extrasolar planet approximately 58 light-years away in the constellation of Leo (the Lion).
HD 189733, also catalogued as V452 Vulpeculae, is a binary star system approximately 63 light-years away in the constellation of Vulpecula (the Fox).
Of Missing Persons is a 1955 science fiction short story by Jack Finney, which describes a burned-out bank teller named Charley Ewell living in 1955 New York City who receives a chance to emigrate from Earth to Verna, a lush, earthlike planet light-years away.
If it were not for the effects of diffraction, a 2" aperture telescope could theoretically be used to read newspapers on a planet circling Alpha Centauri, over four light-years distant.