Abstract
We present new interstellar polarization measurements for 116 stars at high galactic latitudes. Our data show that Markkanen's cloud - the main polarization structure seen in the North Galactic Pole area (b > 75°) extendsfurther towards lower latitudes. Especially, we have found a new dust formation in the area 35° 0 m .23. Polarization vectors in this cloud are very well aligned along the direction of l = 50°. On the IRAS 100 micron map this dust structure shows up as a bright emission area. We discuss the new polarization map extending from circumpolar to lower latitudes and point out features which suggest that Markkanen's cloud may be a part of the dust lane in the inner edge of the local spiral or spur.
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