Starlight polarization observations from IPS-GI (in white) and GPIPS (in black) catalogs, after filtering, in the regions C5, C45, and C50. The colored background is the column density obtained using the thermal dust optical depth maps at 353 GHz from Planck Collaboration Int. XLVIII et al. (2016). The white texture in the background represents the plane-of-sky GMF orientation as observed by Planck (Planck Collaboration XII et al. 2020), and it is generated using line integral convolution (LIC, B. Cabral & L. Leedom 1993).