exposure
esiegel | April 6, 2008Ever seen the Horsehead Nebula? If you look at the easternmost star in Orion's Belt through a telescope, you're likely to see something like this (the star is just off the image to your left):
A pretty little nebula, to be sure, but it doesn't look all that spectacular. I mean really, there's a fancy emission nebula behind some dust, that happens to look like a horse's head. It's mostly cloud-watching in space.
But then I saw a picture where Star Shadows Remote Observatory decided to over-expose the horsehead nebula and the area around it. Now, overexposing a region of sky is how you see…