Very high energy gamma-rays contours as taken from VERITAS (Acciari et al. 2009) superposed with a) the 74/330 MHz spectral index map presented in Fig. 6, b) radio continuum emission at 330 MHz, and c) ¹²C0 (J = 1 − 0) integrated emission from  − 10 to  − 1 km s^-1 tracing the molecular cloud interaction with IC 443 (Zhang et al. 2010). The white plus sign and the white cross in a) mark the positions of the source CXOU J061705.3+222127 and the centroid of the TeV source VER J0616.9+2230, respectively.