Harold Corwin

IC 4518 itself is the western and slightly brighter of a pair of interacting galaxies. The eastern object, mentioned in the description but not given a separate entry in either Frost's list or the IC, has a bright plume extending back to the northwest -- this is sometimes taken as a separate object. [The pair is PGC 53466 on the west and PGC 53467 to the east]

On the DSS, the two lie under the diffraction spike of a bright star a few arcminutes to the east. Frost's plates were all taken with a refractor, so don't suffer from such "defects" -- though most of us simply accept these optical effects as "features" and put up with them.

― IC Notes by Harold Corwin

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

A complete list of credits and sources can be found on the about page