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Veil Nebula (NGC 6995), 



    
        

            Cristian Cestaro

Veil Nebula (NGC 6995)

Description

Constellation: Cygnus.
Session: 23 Jul 2018.

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The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. It constitutes the visible portions of the Cygnus Loop (radio source W78, or Sharpless 103), a large but relatively faint supernova remnant. The source supernova exploded circa 3,000 BC to 6,000 BC, and the remnants have since expanded to cover an area roughly 3 degrees in diameter (about 6 times the diameter, or 36 times the area, of the full moon). The distance to the nebula is not precisely known, but Far Ultraviolet Spectroscopic Explorer (FUSE) data supports a distance of about 1,470 light-years.

The Hubble Space Telescope captured several images of the nebula. The analysis of the emissions from the nebula indicate the presence of oxygen, sulfur, and hydrogen. This is also one of the largest, brightest features in the x-ray sky.

On September 24, 2015 new images and videos of the Veil Nebula were released, with an explanation of the images.

Source: Wikipedia
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• Optics: Primalucelab 80/500 APO (doublet).
• Mount: Skywatcher N-EQ6 Pro.
• Filters: Astronomik Ha (12 nm, 36mm), OII (12nm, 36mm).
• Accessories: QHYCCD QHYCFW-2-M motorized filter wheel, Primalucelab focal reducer 2" (0.8x).
• Camera: QHY163M mono.

Ha: 101x30s | binning 1x1 | Gain 200 | Offset 100 | cooled -10°c.

OIII: 101x30s | binning 1x1 | Gain 200 | Offset 100 | cooled -10°c.

Integration: 1.68 hours (1 hour 40 mins 48 seconds).
Correction: Darks, Flats, Bias.

Notes: Mapped HaOIIIOIII (HOO, better known as Bicolour), magnetic bands, moonlight.

Pixinsight, Adobe Photoshop.

© www.infinitalavita.comCristian Cestaro.

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Veil Nebula (NGC 6995), 



    
        

            Cristian Cestaro

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