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Fig. 1


JCMT/SCUBA 850 μm continuum image of the OMC 1 cloud (Johnstone & Bally 1999), with various features indicated as references, such as the Orion Bar, Orion South and Orion KL. The black contours range from 0.5 to 8.5 Jy beam-1 in steps of 2 Jy beam-1, and from 15 to 30 Jy beam-1 in steps of 5 Jy beam-1. The white circles represent the pointings made to cover the SMA area surveyed, and their size corresponds to the SMA primary beam, 55′′.

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