Hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  IC 4603  ·  IC 4604  ·  IC 4605  ·  M 4  ·  NGC 6121  ·  NGC 6144  ·  Part of the constellation Scorpius (Sco)  ·  The star 22Sco  ·  The star Al Niyat (σSco)  ·  The star Antares (αSco)  ·  The star οSco  ·  The star ρOph  ·  The star τSco  ·  The star ωOph  ·  rho Oph nebula
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Rho Ophiuchi Cloud Complex, 



    
        

            Matt Harbison
Rho Ophiuchi Cloud Complex
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Rho Ophiuchi Cloud Complex

Imaging telescopes or lenses: Canon 100mm f/2.8 Canon 100mm L

Imaging cameras: Atik 383L+ Monochrome

Mounts: Astro-Physics Mach 1 GTO

Guiding telescopes or lenses: William Optics Star 71 WO Star 71

Guiding cameras: Starlight Xpress Lodestar

Software: PixInsight  ·  Adobe Photoshop photoshop PS  ·  Sequence Generator Pro

Filters: ZWO LRGB  ·  Astronomik 6nm H-alpha

Accessory: Optec Alnitak Flip-Flat Flat Fielder  ·  Gerd Neumann Canon EOS Filter Drawer System


Dates:Feb. 4, 2016

Frames:
Astronomik 6nm H-alpha: 3x300" (15') -15C bin 1x1
ZWO LRGB: 5x120" (10') -15C bin 2x2

Integration: 25'

Darks: ~20

Flats: ~20

Bias: ~20

Avg. Moon age: 25.25 days

Avg. Moon phase: 19.30%


Astrometry.net job: 950298

RA center: 16h 30' 41"

DEC center: -25° 18' 39"

Pixel scale: 17.246 arcsec/pixel

Orientation: 96.129 degrees

Field radius: 5.756 degrees


Resolution: 620x413

Locations: Cloudland Canyon, Trenton, Georgia, United States

Description

Rho Ophiuchi cloud complex

Imaged in the early morning hours as this vibrant region of our galaxy core rises above the Northern hemisphere tree line. Announcing the arrival of the spring and summer, this region consists of the Star Antares, the Rho Ophiuchi Nebula, M4, and the Star Al Niyat. Gloriously colorful, this area reveals dark clouds of debris that could one day be the building blocks for new worlds.

Captured in February during the new moon at Fall Creek Falls State Park. Acquisition in Sequence Generator Pro, calibrated in Pixinsight, and adjusted for levels and exported in Photoshop.

Acquisition Details:

HA 3 x 300s 1x1
Lum 5 x 180s 1x1
RGB- 5 x 120s 2x2

Equipment Used:

100mm Canon L Lens
Atik 383L +
Gerd Neumann Filter Drawer System
Astro Physics Mach 1 Mount

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Rho Ophiuchi Cloud Complex, 



    
        

            Matt Harbison