Аннотация:The fluxes and spectra of soft (0.1-4 keV) X-ray emission are calculated for six nebulae around stars with strong stellar winds: NGC 6888, S 119, S 308, NGC 2359, NGC 3199, and NGC 7635. Calculations are performed taking into account: (1) exact distributions of temperature and gas density for the gasdynamic model of Castor et al. (1975) and Weaver et al. (1977); and (2) deviations from the equilibrium gas ionization of the nebula.