Dust formation at last. Home › Forums › Variable Stars › Nova in Cas › Dust formation at last. 22 December 2020 at 10:14 pm #583605 Mike HarlowParticipant Recent Astronomers telegrams report that dust formation is happening in this nova explaining the recent deep fade. See ATel14272 and ATel14267 for details. Also recent images illustrating the fade are on my members page.