Rho Ophiuchi Region.

Manually guided photo taken on Kodak Ektachrome E200 film with an exposure of 60 minutes with a Hasselblad 500C/M camera with a Carl Zeiss Sonnar 250mm f/5.6 C T* lens at full aperture mounted on a classic 203.2mm f/6.3 Meade LX200 Schmidt-Cassegrain telescope with Losmandy rail and camera mount at 12:36 AM on May 20, 2004 in Ellenville, NY. The Rho Ophiuchi complex spans the constellations of Ophiuchus and Scorpius. Rho Ophiuchi is the star in the blue nebulosity with two other stars extremely close to it. The large orange star below and left of center is Antares, the heart of the scorpion (Scorpius). To its right is the globular cluster M4. This is one of the most colorful extended areas of the sky. Due to light pollution this close to New York City, I could not attain the richness of color that can be achieved from more remote areas.At the time this photo was taken transparency of the sky was very good. Seeing was below average. The temperature during the exposure was from 45 to 43 degrees Fahrenheit. The camera was mounted piggyback on the telescope. The telescope was used for manually guiding with a 12mm MA illuminated reticle eyepiece. This is a crop of the original transparency.

Photo © 2004 by Taras R. Hnatyshyn

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last updated on November-27-2005