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Published online by Cambridge University Press: 26 July 2016
A nearby group of galaxies, centred on NGC 972 and conspicuously rich in faint dwarf spheroidal galaxies, has been investigated photometrically on B and V plates obtained with the Tautenburg 2m Schmidt telescope. For six low surface brightness galaxies, the equivalent B- and V-brightness profiles have been extracted, and asymptotic magnitudes and mean colours have been estimated. Their equivalent profiles are well fitted by modified isothermal (King) models.