Plate 70
The Nebula H.II 240, Pegasi
Footnotes:
[1] Reprinted from The Astrophysical Journal, 11, 325, 1900.
[2] For a more complete history of this part of the subject, see Dr. Holden’s articles in Pub. Ast. Soc. Pacific, 7, 197 et seq., 1895.
[3] The difficulties here referred to, about which a good deal has been written, seem to have had their origin in the fact that it was impossible, at the time of the preliminary trials, to provide the observer with an assistant, while the Crossley reflector is practically unmanageable by a single person.
[4] Mon. Not. R. A. S., 48, 386.
[5] Kindly lent by the Astronomical Society of the Pacific.