RCW
89
Description: X-ray/optical composite of an Hα emission region in the Milky Way galaxy
Position: RA 15h 13m 55.52s Dec -59° 08' 08.8"
Constellation: Circinus
Image Credit: X-ray (NASA/CXC/SAO/P.Slane, et al.); Optical (WFAU/SuperCOSMOS)
Chandra Image: S0904
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ABOUT THIS IMAGE: Image is for reference only
From Wikipedia:
The RCW Catalogue (Rodgers, Campbell, Whiteoak) is an Astronomical catalogue
of Hα-emission regions in the southern Milky Way, described in (Rodgers
et al. 1960). It has 180 objects and includes many of the earlier Gum
Catalog (84 items) objects, and the later Caldwell catalogue included
some RCW.
The Catalogue was compiled by Alexander William Rodgers, Colin T. Campbell and John Bartlett Whiteoak, who led by Bart Bok, catalogued southern nebulae while working at the Mount Stromlo Observatory in Australia in the 1960s.