| M 51 = NGC 5194 | |
| in source: | NGC 4449 |
| Ref: | =2011AJ....141..113G |
| by | GUTIERREZ L. , BECKMAN J.E., BUENROSTRO V. |
| Astron. J., 141, 113 (2011) | |
| Properties of the HII region populations of M51 and NGC 4449 from Hα images with the Advanced Camera for Surveys on the Hubble Space Telescope. | |
| o | Table 2: <[GBB2011] M51 NNNN> (Nos 1-2659). Table 3: <[GBB2011] NGC4449 NNN> (Nos 1-273). |
| =E= | Catalogue in electronic form as <J/AJ/141/113/> |
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