|View animated image|
|View static image|
|Number of cells||170|
|Discovered by||Nicolay Beluchenko|
|Year of discovery||2005|
Seal is a diagonal spaceship that was discovered by Nicolay Beluchenko on September 17, 2005. It was the first diagonal c/6 spaceship to be found and was the basis for all known spaceships of this speed until the discovery of 77P6H1V1. Seal has one known tagalong (displayed below), discovered by Beluchenko on September 22, 2005.
- Jason Summers' jslife pattern collection. Retrieved on June 12, 2009.
- c/6 Diagonal Spaceship at Game of Life News
- Object Miscellany at Game of Life News (seal tagalong mentioned at the bottom of the article)
- The Seal (glider 19739) at David Eppstein's Glider Database