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High resolution ALMA observations of the recent (2.52 yrs old) shell of NovaV5668 Sgr (2015) show a highly structured ionised gas distribution with small(10$^{15}$ cm) clumps. These are the smallest structures ever observed in theremnant of a stellar thermonuclear explosion. No extended contiguous emissioncould be found above the 2.5 $\sigma$ level in our data, while the peakhydrogen densities in the clumps reach 10$^6$ cm$^{-3}$. The millimetrecontinuum image suggests that large scale structures previously distinguishedin other recent nova shells may result from the distribution of brightunresolved condensations.

The structure of a recent nova shell as observed by ALMA