This paper continues a series of publications (Karachentsev et al. 1997; Makarova et al. 1998; Karachentsev & Drozdowsky 1998) devoted to photometry of the brightest stars in nearby late-type galaxies, using the CCD camera of the 2.5 meter Nordic telescope. Together with results obtained at the 6 meter telescope, these data consist a part of our general program aimed at the measurement of photometric distances for a complete sample of the nearest galaxies with radial velocities within 500 km s-1. Nearing completion, the program will yield a representative atlas of detailed images for about 150 dwarf irregular galaxies. The availability of such a volume-limited "gallery" allows the structural properties of dwarf galaxies to be classified in connection with diverse conditions of star formation in high and low density regions of the Local universe.
Now we will consider 20 mainly isolated dwarf galaxies. Most of them have been resolved into stars for the first time.
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