Fig. 1.
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Survey footprint from Chiboucas et al. (2009, 2013). The two main galaxies M 81 and M 82 are indicated as stars, the dwarf spheroidals are shown as dots, and the dwarf irregulars are plotted as squares. The two brightest satellites (NGC 2976 and NGC 3077) are marked. The colors indicate the observed velocities. Gray means that no velocity measurement is currently available.
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