Sharpless 2-27
Taken by project nightflight on June 11, 2015 @
La Palma, Spain
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2016:01:09 20:31:26
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Details:
Sharpless 2-27 is an immense hydrogen bubble near the head of the constellation Scorpius. The actual distance of Sh2-27 still remains uncertain. Estimations are around approximately 500 light years, which would mean the gas cloud spans about 100 light years across. The bright star in the center of the image is Zeta Ophiuchi, a hot O type runaway star probably ejected from a binary system a long time ago. It will go supernova in the next few million years.
For the image, we used a short focus 50mm lens on a modified Canon DSLR riding on an AstroTrac TT320X-AG as well as special H-alpha filtering techniques to enhance the hydrogen emission line of the nebula. More than 60 individual exposures with a total exposure time of 4 hours were digitally combined to bring out the faint details.
Photographer's website:
http://www.project-nightflight.net
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