Retrieved magnetic fields through the WFA. Panel a: slit located to the north at μ = 0.14. Observation ID 03. Panel b: slit located to the north at μ = 0.15. Observation ID 06. Panel c: slit located to the east at μ = 0.13. Observation ID 22. Panel d: slit located to the east at μ = 0.10. ID 40. Each panel was formed by two subpanels. Left subpanel: retrieved longitudinal component B_∥ of the magnetic field. Right subpanel: circular polarization signals.