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IC 5070 - The Pelican Nebula - Starless, 




    

        Douglas J Struble

IC 5070 - The Pelican Nebula - Starless

Technical card

Resolution: 3553x2842

Dates: Aug. 8, 2017Aug. 10, 2017Aug. 12, 2017June 26, 2018June 29, 2018June 30, 2018

Frames:
Astrodon Ha 5nm: 108x120" (gain: 139.00) -20C bin 1x1
Astrodon Ha 5nm: 94x180" (gain: 139.00) -20C bin 1x1
Astrodon Ha 5nm: 52x240" (gain: 139.00) -20C bin 1x1
Astrodon OIII 3nm: 118x120" (gain: 139.00) -20C bin 1x1
Astrodon OIII 3nm: 80x180" (gain: 139.00) -20C bin 1x1
Astrodon OIII 3nm: 36x240" (gain: 139.00) -20C bin 1x1
Astrodon SII 3nm: 128x120" (gain: 139.00) -20C bin 1x1
Astrodon SII 3nm: 79x180" (gain: 139.00) -20C bin 1x1
Astrodon SII 3nm: 42x240" (gain: 139.00) -20C bin 1x1

Integration: 33.1 hours

Darks: ~50

Flats: ~50

Bias: ~250

Avg. Moon age: 16.39 days

Avg. Moon phase: 93.29%

Bortle Dark-Sky Scale: 6.67

Astrometry.net job: 2148142

Locations: Backyard Red Zone Observatory, Taylor, MI, Michigan, United States

Data source: Backyard

Description

This is a starless version of my IC 5070, The Pelican Nebula in the Hubble Palette. I am not always keen on starless versions of nebula, but thought this was a good fit and worth the effort.

The Pelican Nebula (also known as IC 5070 and IC 5067) is an H II region associated with the North America Nebula in the constellation Cygnus. The gaseous contortions of this emission nebula bear a resemblance to a pelican, giving rise to its name. The Pelican Nebula is located nearby first magnitude star Deneb, and is divided from its more prominent neighbour, the North America Nebula, by a molecular cloud filled with dark dust.

The Pelican is much studied because it has a particularly active mix of star formation and evolving gas clouds. The light from young energetic stars is slowly transforming cold gas to hot and causing an ionization front gradually to advance outward. Particularly dense filaments of cold gas are seen to still remain, and among these are found two jets emitted from the Herbig–Haro object 555. Millions of years from now this nebula might no longer be known as the Pelican, as the balance and placement of stars and gas will leave something that appears completely different.

Comments

Author

dugstruble
Douglas J Struble
License: None (All rights reserved)
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IC 5070 - The Pelican Nebula - Starless, 




    

        Douglas J Struble