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Fig. 6.

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Comparison of composite images of the dark cloud Dobashi 3782 and a contained HHO. Top: composite image (epoch 2007) based on I, Hα, and [SII] frames taken with the Tautenburg Schmidt telescope. It hosts the YSO IRAS 01166+6635, marked by the circle, which drives a jet that excites a compact HHO south of it (centre). It appears greenish-blue in this representation because of its strong Hα emission. Bottom: IGAPS composite image (epoch 2013), based on i, Hα, and rI frames. The YSO, as well as the HHO, appears green because it is not clearly detected in either rI or i. The HHO is just resolved at no more than 2 arcsec across.

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