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Contains:  Helix nebula, NGC 7293
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NGC7293 The Helix Nebula in Aquarius, 



    
        

             degrbi
NGC7293 The Helix Nebula in Aquarius
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NGC7293 The Helix Nebula in Aquarius

Technical card

Imaging telescope or lens:Orion 102mm Apochramatic refractor

Imaging camera:Atik 428ex Mono

Mount:Orion Sirius EQ-G GoTo Mount

Guiding telescope or lens:KW Telescopes Mini guider

Guiding camera:qhy5mono

Focal reducers:

Software:Imaginova Starry Night ProDeepSky Stacker 3.3.2CCDSoftPhotoshop CS2

Filter:Orion H‑Alpha 7nm 1.25"

Accessories:


Resolution: 1200x901

Dates:Aug. 16, 2015

Frames: 6x600"

Integration: 1.0 hours

Darks: 0

Flats: 0

Flat darks: 0

Bias: 0

Avg. Moon age: 1.70 days

Avg. Moon phase: 3.24%

Bortle Dark-Sky Scale: None

Mean SQM: None

Mean FWHM: None

Temperature: None


Basic astrometry details

Astrometry.net job: 739810

RA center: 22h 29' 37"

DEC center: -20° 49' 37"

Pixel scale: 2.106 arcsec/pixel

Orientation: 143.322 degrees

Field radius: 0.439 degrees


Locations: Beaver Meadow Observatory, North Java, New York, United States

Description

Here is an image in Hydrogen Alpha 7nm, Showing a close up of NGC 7293, the Helix Nebula. The planetary nebula consists of rings of gas being expelled from the PNN, or planetary nebular nucleus.
Within these rings are a phenomenon known as Cometary Knots, which are radially disbursed around the PNN, each with a bright "cusp" and then a tail. There are estimated to be nearly 20,000 cometary knots within the Nebula, giving it the appearance of an iris, hence the name "The Eye of God".

Comments

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degrbi1
degrbi
License: None (All rights reserved)
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NGC7293 The Helix Nebula in Aquarius, 



    
        

             degrbi