Dictionary of Nomenclature of Celestial Objects

sources, and protoplanetary disks.
o	HH 2, 3, 4 in Orion = [M77] HH2, [M77] HH3, [M77] HH4.
o	Table 1: <[OWH93] NN> N=18
Auth.:	O'DELL C.R.+
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