Beacon on long hook may refer to any of four similar period 2 oscillators composed of a beacon on a long hook. They are cis-beacon down on long hook, cis-beacon up on long hook (pictured to the right), trans-beacon down on long hook and trans-beacon up on long hook.
The four isomers of beacon on long hook are about the 35th, 31st, 40th and 50th most common naturally-occurring oscillators in Achim Flammenkamp's census, respectively.
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- 14P2.8 at Heinrich Koenig's Game of Life Object Catalogs