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SHARPLESS 2 302

MOLECULAR CLOUD IN PUPPIS

AKA GUM 6 / RWC 7

(Image centered at: ra 07:32.33 / dec + 17:00)

 

 

CLICK THE IMAGE FOR A LARGE VIEW

 

 December 2020 - Home Backyard in Martinez, Buenos Aires, Argentina

 


 

DATA

TYPE: Emision Nebula

APPARENT MAGNITUDE: NA

APPARENT DIAMETER: 20 x 20 arc minutes

DISTANCE: Roughly 1800 parsecs or 5800 light years

 

IMAGE INFORMATION

SCOPE: ORION OPTICS UK 5" f5 Newtonian w/Televue Paracorr working at f5,75

CAMERA: QSI 583 WS

MOUNT: SKY WATCHER NEQ6

FILTERS: Baader LRGB Set

SKY CONDITIONS: Urban Skies

EXPOSURES: HaRGB (60,40,40,40) Ha bin 2x2 

 

OBJECT DESCRIPTION AND IMAGE SESSION

Stuart Sharpless was an US astronomer who carried out fundamental work in the structure of our Milky Way estimated the distance of HII regions. In 1953 he in published his first cataloged of 142 nebulas and in 1953 he released a second edition with 313 objects.

In this case we aimed to the northern side of the constellation of Puppis. This molecular cloud is quite isolated from the sky background. Russian astronomer A.V. Avedisova concludes that the cloud is ionize by open cluster Bochum. Below the HII cloud we have NGC 2409 shining at magnitude 8 with and angular size of 2,5 arc minutes. Barely visible we also have vdB 97 which was washed up by the brightness of the sky in Martinez (Bortle 9)