Kippax, John Robert, 1849- [from old catalog] · New York and London, G. P. Putnam's sons · leaf 100
Mount Wilson Solar Observatory Plate IV. Owl Nebula in Ursa Major … Yerkes Observatory Plate V. Spiral Nebula in Canes Venatici (Showing detached mass) The Night-Sky of Spring 69 In the head of the northern dog Asterion, about threedegrees distant from Alcaid, or Eta Ursas Majoris, canbe seen the famous Whirlpool Nebula (Plate V.).It is invisible to the naked eye,…
Stars · Constellations · Planets
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