NGC2403 by Warren Keller
No. You’re not looking at a Hubble image. This incredibly detailed photo was taken 14.5″ telescope from right here on the surface of planet Earth. When Allan Sandage turned the Hale telescope its way, he discovered the first Cepheid variables beyond our local galaxy group. At the time he concluded its distance as about 8,000 light years away, but today it is believed to be as distant as 8,000,000. What’s its name? NGC 2403… (...)
Read the rest of A New Spin On NGC 2403 (855 words)
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