On Oct'20th, Comet Hartley 2 will swing by Earth, passing a scant 19 million kilometers overhead. Google with Slooh.com deliver a live stream of images straight from their user-controlled robotic telescope network into Sky in Google Earth.
"Our new Slooh layer features thousands of images taken by Slooh users, with new images being added every few minutes. You can find this addition to Sky in Earth by clicking on planets icon at top of Earth to switch to Sky mode. Then, in layers panel, open Current Sky Events folder and click Slooh Space Camera layer.
Opening any of the icons in Slooh layer displays a list of images of that object, and clicking any of those will load the image into Sky," explained Google.