Fig. 1.
Discovery image of Donatiello I dwarf galaxy, obtained with a 127 mm ED doublet refractor f/9 reduced at about f/6 with a Green filter and a 2MP cooled CCD camera from the Pollino National Park in southern Italy. The total exposure time is about 6000 s obtained by combining (sum and median) images captured on 5,6, and 7 November 2010 and 5 October 2013 with the same equipment. The total field of view of this cropped version centered in Do I is 20′×20′. North is up, east is left.
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