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Our Christmas Comet

Finally the clouds were gone and we were able to view the comet 46P Wirtanen last night. Club members viewed it from the observatory and I took the opportunity to photograph it from home.

46P/Wirtanen is a small short-period comet with a current orbital period of 5.4 years. It is currently about 12 million kms from earth. I wasn’t able to see the comet by eye but was easy to see in binoculars or the scope of course.

The image here was taken with a Canon 60Da on a 120 mm Megrez refractor, it is a stack of 3 sets of 5 frames at 30,60 and 90 seconds with flats and dark flats applied. Mike


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