Rho Ophiuchi in wide - a photo on Flickriver

Rho Ophiuchi in wide

Rho Ophiuchi
A 2 panel mosaic recorded with a Rokinon 135mm F2 and QSI583.

www.astrobin.com/253814/

Panel 1 @F2.8:
L: 6x300s
RGB: (6, 6, 6)x300s

Panel 2 @F2.8:
L: 8x300s
RGB: (8, 8, 5)x300s

Copyright: R. Colombari
_______________________________

Explanation: Why is the sky near Antares and Rho Ophiuchi so colorful? The colors result from a mixture of objects and processes. Fine dust illuminated from the front by starlight produces blue reflection nebulae. Gaseous clouds whose atoms are excited by ultraviolet starlight produce reddish emission nebulae. Backlit dust clouds block starlight and so appear dark. Antares, a red supergiant and one of the brighter stars in the night sky, lights up the yellow-red clouds on the lower center of the featured image. Rho Ophiuchi lies at the center of the blue nebula on the left. The distant globular cluster M4 is visible to the upper right of center. These star clouds are even more colorful than humans can see, emitting light across the electromagnetic spectrum.

Source: APOD

Taken on: November 14, 2016

Tags:

RhoOphiuchi

Rho

astrofotografia

astrophotography

stars

nebulas

nebulae

clouds

colors « less

Sets appears in: • Amateur Images

Groups appears in: • Astrophotography - Astronomy - Astrophysics • Long Exposure more » • !Catchy Colors • After Dark - Night Photography • Astronomy • Nature - Astronomy • Deepsky • Deep Space Astrophotography • Astronomia • Amateur Astronomy • Astronomy 123 • Astronomical Images • Astro-Photography and Similars • astrometry • Astronomy, Stars, Planets and Space • ASTROPHOTO • astrophotoinsight • Astronomy for all • Universe and planets • ***All beautiful shots and many more. • Universe II • ᗪiscovery .ᗯorld • Astronomy Photos • Astronomers Talk • BBC Sky at Night and Stargazing Live • Là-haut parmi les étoiles / In the stars • Most Beautiful Astronomical Objects • Universe Today • Astronomy and Space Science - For Explorers of All Ages • ***Serendipity group • Images About Almost Anything • Amateur Astro-Photography • Astrophotography - The Solar System and Beyond • ~~~ Artistic Photography ~~~ • The Ultimate Photographer • Amazing Reflections • * Beautiful Shots * • Like WOW!!!! « less

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