Harold Corwin

IC 439 does not exist; there is nothing at all on the several DSS plates (aside from stars!) at his position. Wolf's description (from AN 131, 157, 1892), though, is interesting:

However, I found the strangest nebula at [alpha] = 5h 47m [delta] = +32d. [equinox B1855.0] It probably stretches almost straight 1[deg] long and 10' wide at a position angle of about 330 = 150 through several stars. The brightest parts of the nebula lie between the two stars: BD +31 1146 and BD +32 1130.

Between all these extended nebulae [IC 405, IC 410, IC 417, IC 419, IC 425, and IC 439; and probably IC 443 and IC 444 as well] there is probably a connection through much weaker nebulae, at least the plates seem to indicate.

See IC 419.

― IC Notes by Harold Corwin

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