Comet NEOWISE – August 5, 2020

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After my failed attempt earlier this week, I was ready to spot NEOWISE and knew what the surrounding star patterns looked like.

It is a much dimmer object now than it was two weeks ago, and in my camera, it no longer has a tail.  But it was a good chance to test the “how dim an object can I see?” question.  Fuzzy green NEOWISE is visible at magnitude 6.9; fuzzy M53 is visible at magnitude 8.3.  The stars around them range from magnitude 6.1 to 9.9.

A friend suggested I look into the white balance for my astrophotography pictures, so I did a little research on good settings.  The top picture used a custom white balance of 3500K.  I like that the sky is blue instead of gray-pink-yellow, but I may do more experimenting to find the best color.  What do you think?

Camera Geek Info (both)

  • Canon EOS 60D in manual mode set at f/5.6, 2 second exposure, ISO 6400
  • Canon EF 70-300mm f/4-5.6L IS USM lens, set at 300 mm, manual focus
  • Cable release
  • Tripod

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