V1405 Cas, was discovered by Yuji Nakamura in Japan on March 18th 2021. Novae usually fades over weeks or months before going back to its initial state. This binary system is 5600 light years away and is also indicated in the DSS II Red image in the animation. This one is still bright after more than 4 years. See the AAVSO light-curves. And lots of good information here :

https://en.wikipedia.org/wiki/Nova_Cassiopeiae_2021

Time: 23:46UT 2025-08-08 Exp.11 x 65sec
Telescope: 0.254m f/6 ST-10XME CCD -18°C 0.9"/pix
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.