Largest image of a spiral galaxy

Largest image of a spiral galaxy
Who
Rob Gendler
Where
Not Applicable ()
Amateur astronomer Rob Gendler (USA) has produced an image of the Andromeda galaxy made up of a mosaic of images with a total exposure time of 90 hours. At 21,904 X 14,454 pixels, it is the largest and most detailed image to date of any spiral galaxy.