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NGC 6544

 GLOBULAR CLUSTER IN SAGITTARIUS  

(Image centered at: ra 18 h:07 m / dec - 24º 59')

 

 

August 2022, Home Backyard in Martínez, Buenos Aires, Argentina

 


 

DATA

TYPE: Globuar Cluster

APPARENT DIAMETER: 9,2 arc minutes

APPARENT MAGNITUDE (V): 7,5 (mag)

DISTANCE: 9450 light years

 

IMAGE INFORMATION

INSTRUMENT: 8" ORION OPTICS UK (Ultra Grade Optics) w/Televue Paracorr working at at f5,75

CAMERA: QSI 583 WS

MOUNT: SKY WATCHER NEQ6, OAG with Starlight Xpress Lodestar

FILTERS: Baader LRGB Set

SKY CONDITIONS: urban skies - Bortle 8

EXPOSURES: LRGB (60,60,60,60)

 

OBJECT DESCRIPTION AND IMAGE SESSION

NGC 6544 is located in the western part of the constellation of Sagittarius, on the edge of a rich star field. Easy to find since is just 50' towards the southeast of the well known Lagoon Nebula. It can also be noted from dark skies with 10 x 50 mm binoculars as a small white spot like a misty star.

NGC 6544 was first observed by British astronomer William H erschel in 1784 who watched through his 18,4 inch reflector. He described as a fairly bright and large object circular and resolved into stars. As per today it is not clear whether it formed with the Milky Way or came from else ware.