ARA - OB1 STELLAR ASSOCIATION

 WIDE FIELD  

(Image centered at: ra 16h:43 m / dec - 48º 48')

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IMAGE WITH LABELS

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

DATA

TYPE: Wide Field

FOV 4º 50' x 3º 50'

APPARENT MAGNITUDE (V): N/A

DISTANCE: 4000 light years    

IMAGE INFORMATION

INSTRUMENT: Canon EF 200 mm lens stopped at 4,5

CAMERA: QSI 583 WS

MOUNT: SKY WATCHER NEQ6, Guided with 70/400 refractor 7 Starligh Xpress Lodestar

FILTERS: Baader LRGB Set, Astronomik Ha 6nm

SKY CONDITIONS: urban skies - Bortle 8

EXPOSURES: HARGB (60,60,60,60) R was used as a Luminance channel

OBJECT DESCRIPTION AND IMAGE SESSION

This is wide field region involves the well known and photographed area in the southern constellation of Ara (The Altar). The area is in the plane of our Milky Way so is a populated stellar region. The centre of the image we have NGC 6193 which is a remarkable young stellar cluster in the core of the Ara OB1 stellar association. The cluster NGC 6193 is imbedded in an area cloaked by thick gas clouds and obscuring lanes of dust. The hottest stars of the cluster are the illumination source of the emission nebula NGC 6188.

There are many other gems in this are that can be seen below in the annotated image.

ARA - OB1 STELLAR ASSOCIATION

 IMAGE WITH LABELS