Rho Ophiuchi Region Mosaic



The Rho Ophiuchi cloud complex is a dark nebula of gas and dust that is located 1° south of the star ρ Ophiuchi of the constellation Ophiuchus. At an estimated distance of 131 ± 3 parsecs, this cloud is one of the closest star-formingregions to the Solar System.

Imaging telescopes or lenses: William Optics Star 71
Imaging cameras: QHYCCD QHY8
Mounts: Orion Atlas EQ-G + EQDIR
Guiding cameras: QHYCCD Q5L-II-M
Software: AstroTortilla Plate Solver,  Cartes du Ciel Planitarium,  Nebulosity 3.1 Nebulosity und PHD
Resolution: 3705×3071
Dates: Feb. 18, 2015,  Feb. 19, 2015
Frames: 30×360″
Integration: 3.0 hours
Avg. Moon age: 28.94 days
Avg. Moon phase: 0.77%
RA center: 247.593 degrees
DEC center: -25.142 degrees
Orientation: 178.794 degrees
Field radius: 3.067 degrees


Author: Josh Smith

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