NGC 6437

STAR CLOUD IN  SCORPIUS 

 (Image Centred at ra 17h:48m 24s / dec -35:21)

July 2014 - Home Backyard in Martinez, Buenos Aires, Argentina

DATA

TYPE: Star Cloud

Apparent magnitude: not found

Image FOV: 53 x 40 arc seconds

Distance: not found

IMAGE INFORMATION

SCOPE: 8" Orion Optics UK w/TeleVue ParaCorr working at f5.75 and 1150 mm fl

CAMERA: QSI 583 WS

FILTERS: Baader LRGB, 2" IDAS LPS for all channels

SKY CONDITIONS: urban skies

EXPOSURES: LRGB (30,30,30,30) all bin 1x1

OBJECT DESCRIPTION AND IMAGE SESSION

NGC 6437 is located one degree to the south west from Messier 7. This remarkable star field from our Milky was catalogued by British astronomer John Herschel in 1837. (*)

NGC 6437 is frequently seen as non existent object, an open cluster or asterism. Clearly not an asterism nor an open cluster, but more likely to be a stellar cloud. Because its stellar characteristics Herschel considered it in his catalogue.  (**) 

Stellar clouds are quite suitable objects for urban skies astrophotography. This type of clouds are so bright that even moderate city light do no disturb the spectacular nature.

(*) Free translation form the Book Exótico Cielo Profundo / Chapter 5, Page 86 (3rd edition) by Rodolfo Ferraiuolo and Enzo De Bernardini.

(**) Rodolfo Ferraiuolo free description