William Herschel and The Planetary Nebulae

@article{Hoskin2014WilliamHA,
  title={William Herschel and The Planetary Nebulae},
  author={M. Hoskin},
  journal={Journal for the History of Astronomy},
  year={2014},
  volume={45},
  pages={209 - 225}
}
  • M. Hoskin
  • Published 2014
  • Physics
  • Journal for the History of Astronomy
At the close of the paper I give the location of half-a-dozen planetary nebulae, as I call them. These are celestial bodies of which as yet we have no clear idea and which are perhaps of a type quite different from those that we are familiar with in the heavens. I have already found four that have a visible diameter of between 15 and 30 seconds. These bodies appear to have a disk that is rather like a planet, that is to say, of equal brightness all over, round or somewhat oval, and about as… Expand
Planetary nebulae in 2014: a review of research
A Review of Research

References

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IV. On nebulous stars, properly so called
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On the construction of the heavens”, Philosophical transactions, lxxv (1785), 213–66, discussed in Michael Hoskin, The construction of the heavens
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2/2.5, f. 53r
    2/2.5, f. 53v
      2/3.2, sweep 275
        2/3.8, sweep 980
          Catalogue of 500 new nebulae, nebulous stars, planetary nebulae, and clusters of stars
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