Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  IC 5070  ·  Pelican Nebula  ·  The star 56Cyg  ·  The star 57Cyg
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IC 5070 Pelican Nebula (SHO), 



    
        

            Chad Andrist
IC 5070 Pelican Nebula (SHO)
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IC 5070 Pelican Nebula (SHO)

Getting plate-solving status, please wait...
IC 5070 Pelican Nebula (SHO), 



    
        

            Chad Andrist
IC 5070 Pelican Nebula (SHO)
Powered byPixInsight

IC 5070 Pelican Nebula (SHO)

Acquisition details

Dates:
June 22, 2021 ·  July 2, 2021 ·  July 4, 2021 ·  July 8, 2021 ·  July 9, 2021 ·  July 13, 2021 ·  July 15, 2021 ·  July 17, 2021
Frames:
Chroma Ha 31mm 3nm: 145×300(12h 5′) bin 2×2
Chroma OIII 31mm 3nm: 150×300(12h 30′) bin 2×2
Chroma SII 31mm 3nm: 147×300(12h 15′) bin 2×2
Integration:
36h 50′
Avg. Moon age:
16.58 days
Avg. Moon phase:
32.15%

Basic astrometry details

Astrometry.net job: 5041339

RA center: 20h51m27s.1

DEC center: +44°0412

Pixel scale: 1.352 arcsec/pixel

Orientation: 281.572 degrees

Field radius: 0.881 degrees

Resolution: 3904x2602

File size: 5.8 MB

Locations: Pine Creek Observatory, West Bend, WI, United States

Data source: Backyard

Description

The Pelican Nebula is an emission nebula located near the bright star Deneb in the constellation Cygnus, the Swan. Named for its resemblance to a pelican, the nebula is associated with the neighbouring North America Nebula (NGC 7000) and is one of several notable nebulae found in the area of the Northern Cross. It is an active star forming region with a particularly active mix of star formation and evolving gas clouds. The position and balance of the stars and gas will gradually change to leave the nebula looking completely different millions of years from now.

The young stars in the nebula are heating up the cold gas in their vicinity and, as a result, an ionization front gradually moves outward. A number of unusually dense filaments of cold gas are still visible, among them two jets emanating from the Herbig-Haro object 555 (HH 555).

Herbig-Haro objects are jets of matter and partially ionized gas ejected by newborn stars, which appear as patches of nebulosity in star-forming regions. These jets are ejected at speeds of several hundred kilometres per second and collide with nearby dust and gas, producing dramatic shock fronts that glow as a result of the gas being heated as it collides with the interstellar medium.

The jets evolve and are eventually blown away by the wind produced by the young star. They disperse after a few hundreds of thousands of years at most. HH 555 is the most prominent example of this kind of object found in the Pelican Nebula.

The Pelican Nebula is listed as IC 5070 and IC 5067 in the Index Catalogue. The nebula itself is catalogued as IC 5070, while IC 5067 is a prominent part of it, found along the curve of the celestial pelican’s head and neck. It is a ridge of emission spanning about 10 light years, home to many newly formed stars.

The nebula’s appearance is defined by dark dust clouds, which outline the pelican’s long bill and eye, and bright clouds of ionized gas, which form the curved shape of the pelican’s head and neck.

The Pelican Nebula lies at a distance of 1,800 light years and has a visual magnitude of 8.0. It occupies an area of 60′ x 50′ and is separated from the considerably larger North America Nebula by a dark molecular cloud. The two nebulae are parts of the same interstellar cloud of ionized hydrogen, or the same H II region.

The Pelican Nebula is located northeast of Deneb, the brightest star in Cygnus, which marks the cosmic swan’s tail and the top of the Northern Cross.

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