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NGC 6087

OPEN CLUSTER IN  NORMA 

 (Image Centred at ra 16h:18.9m / dec -57:5443)

 

 

CLICK IN THE IMAGE FOR A HIGH RESOLUTION VIEW

 

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

 


DATA

TYPE: Open Cluster

Apparent magnitude: 5.4

Apparent diameter: 12 arc minutes

Distance: 3500 light years (WEBDA)

 

IMAGE INFORMATION

SCOPE: 8" Orion Optics UK with Televue Paracorr

CAMERA: QSI 583 WS

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

SKY CONDITIONS: urban skies and 50 % Moon

EXPOSURES: LRGB (60,30,30,30)

 

OBJECT DESCRIPTION AND IMAGE SESSION

One of the brightest open star clusters in the southern constellation of Norma. With little condensation, NGC 6087 presents an irregular shape. It gathers approximately 40 members between magnitude 7 to 11. Because is located close to the galaxy plane, the background present a dense star field. The object was discovered by Scottish astronomer James Dunlop in 1826.