MESSIER 17 REGION

 WIDE FIELD IN SAGITTARIUS & SCUTUM 

(Image centered at: ra 18 h:22 m / dec - 16º 10')

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

DATA

TYPE: Wide Field

FOV 4º 26' x 3º 21'

APPARENT MAGNITUDE (V): 6 for Messier 17

DISTANCE: Between 5500 light years for Messier 17    

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 Starlight Xpress Lodestar

FILTERS: Baader LRGB Set, Astronomik Ha 6nm

SKY CONDITIONS: urban skies - Bortle 8

EXPOSURES: HAO3RGB (40,40,40,40,40) L channel is a synthetic composition out of the HaR

OBJECT DESCRIPTION AND IMAGE SESSION

A wide field image for a complex region covering part of the constellation of Sagittarius and Scutum. Messier 17 stands out in the center of the field. A star factory sculpted by stellar winds and radiation covering 100 light years across. Slowly stellar winds and energetic light from hot massive stars gas and dust have carved away interstellar material giving rise to the cavernous appearance and rippled shapes of the particular structure of Messier 17 also known as the Omega Nebula or the Swan Nebula.

Many interesting objects can be seen in this rather large field of view, which are annotated below.

MESSIER 17 REGION

ANNOTATED FIELD

 WIDE FIELD IN SAGITTARIUS & SCUTUM