The Necklace Nebula PN 6054 2-03 4 How Good is Hubble. Narrowfield R - Aug 25 and 26, a photo by Joseph Brimacombe on Flickr.
More than anything, this panel illustrates the benefits of a big space telescope.
A and B: Behold the Necklace Nebula taken with an 11" telescope at sea level on a night of average seeing
C: Behold the Necklace Nebula taken with a 95" telescope in orbit where the seeing is always perfect.
Panel A is at the original imaging scale of approx 1 asec/px
Panel B is a 10 x blow-up to the approx scale of the Hubble image 0.1 asec/px
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