Hemisphere:  Southern  ·  Constellation: Vela (Vel)  ·  Contains:  Eight-burst planetary  ·  NGC 3132  ·  PK272+12.1
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Eight Burst Nebula, 



    
        

            Geoff
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Eight Burst Nebula

Imaging Telescopes Or Lenses
Plane Wave Instruments CDK 12.5"
Imaging Cameras
Finger Lakes Instruments Proline 16803
Mounts
AP900GTO
Filters
Astronomik Sulfur II 12nm · Astronomik Ha 12nm · Astronomik Oxygen III 12nm
Software
PixInsight · MaximDL
Guiding Telescopes Or Lenses
Plane Wave Instruments CDK 12.5"
Guiding Cameras
Starlight Xpress Lodestar guide camera

Acquisition details

Dates:
March 17, 2018
Frames:
24x600" (4h)
Integration:
4h
Avg. Moon age:
29.48 days
Avg. Moon phase:
0.00%

RA center: 10h07m02s.627

DEC center: -40°2558.95

Pixel scale: 0.730 arcsec/pixel

Orientation: 178.258 degrees

Field radius: 0.072 degrees

More info:Open 

Resolution: 500x500

Locations: Wiruna Dark Sky Site, Ilford, NSW, Australia

Description

NGC 3132 is also known as the Southern Ring Nebula or, more commonly, as the Eight-Burst Nebula because of its figure-8 appearance through small telescopes. It is a very bright, asymmetric planetary nebula of approximately 0.4 light years across and is about 2,000 light-years away in the southern constellation Vela. It is receding from us at 49 kilometers per second.

This expanding cloud of gas is one of the nearest known planetary nebulae. The gases expand away from the central star at a speed of about 14.4 kilometers per second. Interestingly, neither the unusual shape of the surrounding cooler shell nor the structure and placements of the cool filamentary dust lanes running across NGC 3132 are well understood.

The colour mapping is chosen to mimic RGB:

Ha+25% Sii -->Red

OIII-->Green

OIII +25% Ha -->Blue

Comments

Revisions

  • Eight Burst Nebula, 



    
        

            Geoff
    Original
  • Final
    Eight Burst Nebula, 



    
        

            Geoff
    B

Histogram

Eight Burst Nebula, 



    
        

            Geoff

In these public groups

Planetary Nebulae