Vapour afterglow when turning off my EYE MTD70SDW-7S/3500K Ra96

I think the yttrium accounts for this vapour afterglow.

File information
Filename:	IMG_8412.JPG
Album name:	dor123 / Lamps
Filesize:	893 KiB
Date added:	31 May, 2024
Dimensions:	1920 x 1080 pixels
Displayed:	1 times
URL:	http://80.229.24.59:9232/gallery/displayimage.php?pid=20902
Favourites:	Add to Favourites