Composite image of the L723 field using a Hα (blue), H2 2.122 μm (green) and IRAC 4.5 μm (red) colour coding to show the HH 223 outflow emissions. The positions of the radio continuum sources SMA1 and SMA2 have been marked by plus signs. The near-infrared counterpart of the radio source VLA 1 has been marked by a circle. The continua were not subtracted to facilitate the alignment of all images using the field stars.
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