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MENZEL 1

PLANETARY NEBULA IN NORMA

(Image centered at ra 15:34.17 / dec - 59:09)

 

 

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

 


 

DATA

TYPE: Planetary Nebula

APPARENT MAGNITUDE: 12

APPARENT DIAMETER: 76 x 23 arc seconds

DISTANCE: Roughly 3400 light years

 

IMAGE INFORMATION

SCOPE: ORION OPTICS UK 8" 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: LHaRGB (20,60,20,20,20) all bin 1x1 

 

OBJECT DESCRIPTION AND IMAGE SESSION

Menzel 1 is a bright PN that has a prominent central ring of enhanced emission. One model of its structure is a three-dimensional hour glass shape with a smoothly decreasing density starting from the waist or equator as measured outwardly to the poles. It is radially expanding at a rate of about 23 km/s and estimated to be around 4,500 to 10,000 years old. Its polar axis is oriented at an angle of around 40 from the plane of the sky.

The central star estimated to have a mass of 0.63 0.05. In 1992 Schwarz, Corradi, & Melnick published narrow band images of Mz 1 in Ha and OIII. H2 emission was observed in Mz 1 by Webster, Payne, Storey, Dopita in 1988. However, despite its relative brightness, Mz 1 has only been studied in a few papers (*)

 

 

(*) Wikipedia