Rho Ophiuchi

Location of photo
Natchez Trace State Park, Wildersville/Lexington, TN, USA
Date/Time of photo
June 30 & July 3, 2014
Telescope: Pentax 6x7 SMC 150mm @f/5.6 Accessories: QSI-to-Pentax adapter; Dew control by Dew Buster; Alnitak Flat-Man Mount: Takahashi EM-200 Temma2 Camera: QSI583wsg CCD @ -10.0C Guiding: Starlight Xpress Lodestar via PHD Filters: Astrodon Tru-balance E-Series Gen II LRGB filters Exposure: 19 x 10min. binned 1x1 Luminance; 10 x 5min. binned 2x2 in each R, G, & B Acquisition: ImagesPlus 5.0 Camera Control Processing: PixInsight 1.8; Adobe PhotoShop CC
The Rho Ophiuchi cloud complex is one of the closest star-forming regions to our solar system. It lies 460 light-years away in the constellation Ophiuchus and covers an angular area of 4.5° × 6.5°. Within this cloud is material that totals about 3,000 times the mass of the Sun.
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