Next: Observations and data reduction Up: On the metallicities of Previous: On the metallicities of . Since the discovery of low metallicity gas in H II regions of Blue Compact Galaxies (BCGs) by Searle & Sargent (1972), a debate lasting for decades on possible existence of local truly young galaxies is still continuing. ... In particular, we reobserved two BCGs presented in the K? list - UM 133 and UM 382. ... UM 133 . UM 382 . ... 3868 [Ne III] .. ... 1.000 0.017 . ... 0.017 0.001 . ...