open cluster
An open cluster is a type of star cluster made of tens to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age. More than 1,100 open clusters have been discovered within the Milky Way galaxy, and ...
in the
constellation
A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
The first constellati ...
Norma Norma may refer to:
* Norma (given name), a given name (including a list of people with the name)
** Norma Lizbeth Ramos, a Mexican bullying victim
Astronomy
*Norma (constellation)
* 555 Norma, a minor asteroid
* Cygnus Arm or Norma Arm, a spiral ...
. It was discovered by
James Dunlop
James Dunlop FRSE (31 October 1793 – 22 September 1848) was a Scottish astronomer, noted for his work in Australia. He was employed by Sir Thomas Brisbane to work as astronomer's assistant at his private observatory, once located at Param ...