Tomaso just had this beautiful posting about Microsoft’s new software, WWT. There were some comments on his blog which pointed out that Google Earth has this feature for quite some time. I was aware about it, but I took the Pepsi-Test with Tomaso’s NGC7331 usecase.
Now the same picture which I just took from Google earth:
Google Earth can’t even compete with the low-res picture, not to mention with the high-resolution picture Tomaso provided:
Long story short: Though it might be inconvenient, MS WWT seems to be better than Google Earth in this certain case.