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| | DOC M42 Orion Nebula (Site not responding. Last check: 2007-10-15) |
 | | Photographs taken with the Bache telescope, a photographic 8-inch f/5.5 doublet, covering 10 degrees square, were examined by Mrs M Fleming with a magnifying glass. |
 | | With the sensitive plates and large aperture of the instrument here employed, the central portion of this nebula is burnt out with an exposure of an hour over a region about –1m in right ascension and 15' in declination. |
 | | Remarks, p.217: "1976, 1977, 1980 Different portions of the Great Orion Nebula, the spectrum of which is gaseous. |
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