supernova that has been reported in the Galaxy M65, image taken with iTelescope T04, 5x120 second exposures stacked and registered in ImageJ then a SUM Z-project applied, followed by contrast adjustment and colour inversion. Supernova indicated by black bars (click to embiggen).
Here's a better image from Rolando Ligustri.
The supernova is reported to be still brightening, increasing from magnitude 16.4 to 15.8. It is located at RA 11 18 56.95 DEC +13 03 49.4