Contains: Pelican nebula, IC 5070, The star 57Cyg, The star 56Cyg
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IC 5070 - The Pelican Nebula in Hydrogen Alpha

Technical card

Imaging telescope or lens: Takahashi FSQ-106N FSQ

Imaging camera: QSI 583wsg

Mount: apt1200gto AP1200

Software: CCD Autopilot 5

Resolution: 1100x1402

Dates: Sept. 4, 2009

Frames: 16x1200"

Integration: 5.3 hours

Avg. Moon age: 14.61 days

Avg. Moon phase: 99.97%

Astrometry.net job: 1511935

RA center: 312.858 degrees

DEC center: 43.944 degrees

Pixel scale: 4.542 arcsec/pixel

Orientation: -177.643 degrees

Field radius: 1.124 degrees

Locations: ImagingInfinity Observatory, Bethune, SC, United States

Description

IC6070, sometimes called the "Pelican Nebula" lies 2000 light years away in the constellation of Cygnus. Dark dust clouds in the nebula define the Pelican's eyes and long bill, while a bright region of glowing hydrogen gas outline the back of his neck. As this region of active star formation evolves over time, a few million years from now it will no doubt no longer resemble its namesake.

This image was captured through a narrowband filter admitting only a narrow slice of spectrum around the wavelength of glowing hydrogen. Thus it is a monochrome (single color) image displayed as shades of grey. Considering the thickness of the haze and the passing clouds, it is amazing that the hydrogen-alpha filter pulled out as much detail as it did.

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Hap Griffin
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IC 5070 - The Pelican Nebula in Hydrogen Alpha, Hap Griffin