Rho Ophiuchi Cloud Complex - a photo on Flickriver

About this image
A widefield image of a section of the large Rho Ophiuchi Cloud Complex. Rho Ophiuchi is a dark nebula of gas and dust that is located 1° south of the star ρ Ophiuchi of the constellation Ophiuchus (close to the red Supergiant star Antares).

About the Interstellar Cloud Colors:
Fine dust illuminated from the front by starlight produces blue reflection nebulae. The atoms of gaseous clouds that are excited by ultraviolet starlight produce reddish emission nebulae. Back-lit dust clouds block light and appear dark. Antares (a red super-giant star, and one of the brighter stars in the night sky), lights up the yellow-red dust clouds. Rho Ophiuchi lies at the center of the blue nebula. Interstellar clouds are even more colorful than we can see in visible light, emitting light across a large portion of the electromagnetic spectrum.

Image Acquisition:
Sequence Generator Pro Framing Wizard.

Plate Solving:
Astrometry.net ANSVR Solver via SGP.

Processing:
Pre-Processing and Linear workflow in PixInsight,
and finished in Photoshop

Astrometry Info:
Annotated Sky Chart for this image.
Center RA, Dec: 247.801, -25.359
Center RA, hms: 16h 31m 12.155s
Center Dec, dms: -25° 21' 32.996"
Size: 5.87 x 6.32 deg
Radius: 4.316 deg
Pixel scale: 14.2 arcsec/pixel
Orientation : Up is 92 degrees E of N
View this image in the WorldWideTelescope.

Martin
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Taken on: April 28, 2017

Tags:

Dust and Gas

Rho Ophiuchi

Dark Nebula

Antares

Hydrogen

RGB

astronomy

astrophysics

astrograph

wide angle lens

Martin

Heigan

astrophotography

Celestron

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nebula

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Canon

60Da

mh_astro_photo

April 2017

South Africa

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colors of space

colours of space

IC 4605

NGC 6144

rho Oph nebula

IC 4604

IC 4603

NGC 6121

τSco

22Sco

αSco

ρOph

Al Niyat

σSco

οSco

constellation Scorpius

Sco

Nebula Complex

stars

pinpoint stars

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Amateur Astronomy

astro-imaging

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Globular Cluster

Colors of the Universe

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nebular cloud

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Camera: Canon 60D (more info) (hide info)

Camera:	Canon 60D
Color Space:	Uncalibrated
Software:	Adobe Photoshop CS6 (Windows)
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