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Michael A. Stecker
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IC 4628, NGC 6231, zeta Scorpi
("Scorpius stinger") . Red emission nebula IC 4628 is in the north (top), followed by open cluster NGC 6231 (called by some "the Northern Jewel Box") and stars zeta Scorpii in the south (bottom).
Scorpius "stinger"
Centered at: RA 16 hrs, 53 min and Declination 42 degrees South. Field of view is 2.6 x 1.7 degrees. North is up. Photographic site: Carnegie Las Campanas Observatory in Chile. Photographic Data Telescope: Astro-Physics 130-mm f/6 EDF refractor Camera: Nikon F2 (35 mm film) Film: hypersensitized Fujicolor HG 400 (35 mm) film Exposures: Two 50-minute exposures, stacked |
