QUASAR 3C273

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3C273


At 3 billion light years, 3C273 is probably the most distant object visible in a backyard telescope. At magnitude 12.8, it should be visible in a 10" scope under dark skies. I was unable to see it in my 10" under magnitude 5 sky. However, it was a piece of cake for the 90 mm astrograph. The exposure was 20 minutes on hypered Techpan.

The line points down to the object.


There is a finder chart on page 2101 of Burnham's Celestial Handbook. This photo is to roughly the same scale and orientation as the chart. I would like to hear from anyone who can actually see this object.


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