Discovering Deep Sky Objects (DSO)
Who found the best deep sky objects and when did they find them?
Giovanni Battista Hodierna observed from Sicily in about 1654
https://en.wikipedia.org/wiki/Giovan...tista_Hodierna
Nicolas-Louis de Lacaille observed from Cape Town in 1751 and 1752
https://en.wikipedia.org/wiki/Nicolas-Louis_de_Lacaille
Charles Messier observed from Paris between 1764 and 1781
https://en.wikipedia.org/wiki/Charles_Messier
Pierre Méchain observed from Paris between 1779 and 1782
https://en.wikipedia.org/wiki/Pierre_M%C3%A9chain
William Herschel observed from Slough near London between 1782 and 1793
https://en.wikipedia.org/wiki/William_Herschel
James Dunlop observed from Parramatta near Sydney in 1826
https://en.wikipedia.org/wiki/James_Dunlop
John Herschel observed from Slough and Cape Town between 1830 and 1837
https://en.wikipedia.org/wiki/John_Herschel
The Northern Sky DSO were found by
Hodierna, Messier, Mechain and William Herschel
The Far Southern Sky DSO were found by
Lacaille, Dunlop and John Herschel
Open Clusters
Hodierna and Lacaille were the main discoverers of OC in the attached list
Globular Clusters
Messier and Dunlop were the main discoverers of GC in the attached list
Nebulae and Planetary nebulae
William and John Herschel were the main discoverers of Neb and PN in the attached list
Galaxies
Mechain, William Herschel and Dunlop were the main discoverers of Gxy in the attached list
The attached list contains 261 Deep Sky Objects
38 OC, 50 GC, 45 Neb, 39 PN and 89 Gxy
The data is from
http://www.klima-luft.de/steinicke/ngcic/ngcic_e.htm