XII. Observations on some of the nebulæ

@article{ParsonsXIIOO,
  title={XII. Observations on some of the nebul{\ae}},
  author={W. Parsons},
  journal={Philosophical Transactions of the Royal Society of London},
  pages={321 - 324}
}
  • W. Parsons
  • Philosophical Transactions of the Royal Society of London
As every addition, however trifling, to the little we know with certainty respecting the nebulæ can scarcely be considered wholly uninteresting, I have ventured to communicate a few observations made with the speculum of three feet aperture described in the Philosophical Transactions for 1840. In using that instrument, the object was rather to test its powers, and to decide the merits of progressive experiments, than to seek for astronomical results, and therefore the micrometer was not… Expand