Rho Ophiuchi region, 23 May 1998
Image Linkhttps://www.ocastronomers.org/wp-content/uploads/2019/01/r-oph01.jpg
Photographer Dave Kodama
Optics Used
Camera Used
Settings / Equipment 135mm Nikkor lens at f/3.5; piggybacked on C-11; two 40 min exposures on Kodak PPF negative film, ISO 400; scanned and digitally stacked.
Location Riverside Telescope Makers Conference (Camp Oakes near Big Bear City, CA), 23 May 1998.
Date / Time May 23, 1998 12:00 am
Copyright
Additional Information The colorful region around Rho Ophiuchi (above right of center, embedded in blue nebulosity). Blue areas are dust lit up by hot blue stars (reflection nebulae), red areas are glowing hydrogen clouds (emission nebulae), and dark areas are dust clouds. The brightest star is Antares (below center), and to its lower left and upper right are Tau and Sigma Scorpii, respectively. M4 is just to the right of Antares.