16 May 2021 at 9:24 am #584212
Kato-san posted the following on VSnet overnight:
“V1405 Cas rapid fading
Several observers have noted rapid fading.
May 14 V=6.11, B-V=+0.57
May 15 V=6.95, B=V=+0.27
This fading is apparently not caused by dust formation.”