March 16

Click on the pictures to get a better vision

This large picture is the sum of a 200s and a 300s exposure using a narrow band filter centered at 555 nm and two 300s exposures using another filter centered at 618.5 nm. They were taken from 6:10 to 6:35 UT. The field size is 4.6×5.2 degrees.
This picture is part of the largest one. The field size is now 54×61 arcminutes.
Finally, in this picture we have magnified the structure in front of the coma. The field size is 68×82 arcminutes.

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