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photo contest slideshow
Abandoned on the Beach.
Sunrise over Bombay Hook NWR
Polar Bear Sliding Down a Snow Bank
Pride Parade Participant Stops and Smiles
Exasperated Polar Bear
Pensive Polar Bear
A Scared Lion
Crow On the Sand
Hunting Polar Bear on the Arctic Sea Ice
Krossfjorden Glaciers
North American Nebula (in hydrogen alpha)
Wild Iris from pasture in Union City, Pennsylvania
Red sounds in the night
Rise and Shine
Making mats
Tea break
yellow lily
Two Puffins in Mykines
Classic Fishing
red flower in pot
red flower
15th Annual Photo Contest
North American Nebula (in hydrogen alpha)

The North American Nebula is an emission nebula located near the star Deneb which is the tail in the constellation Cygnus the Swan (aka Northern Cross). This feature is one of the many enhancements to the Milky Way as seen during the summer months. I captured this photo, which is actually a composite, or stack, of eighteen photos (each photo had an exposure length of 120 seconds at ISO800) early in the morning during the first part of July. The camera that was used to take the pictures was modified by removing the LPF-2 filter thereby making it more sensitive to the hydrogen-alpha wavelength which is the portion of the spectrum emitted by the ionized hydrogen which is seen as red in the picture.

TAGS: Canon, Illinois, Nebula

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Elkhart, Illinois, United States of America
Member since 2017
Photo Information
© Joshua Rhoades.
All rights reserved.
Image Source: digital
Date Taken: 06.2017
Total Views: 149
Filed Under: Altered Images
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Date Uploaded: July 11, 2017, 9:40 a.m.
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PHOTO LOCATION Elkhart, Illinois, United States of America