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Photographer:

gigicarotti

Location of Photo:

Venice, Italy

Date/Time of photo:

2018-05-11

Equipment:

Canon EF 400mm f/5.6L USM lens - Canon EOS 60Da DSLR camera at ISO 1600 - iOptron ZEQ25GT mount

Description:

Something has 'grazed' the globular cluster M 92. The transit actually occurred much closer than the 26,000 light years that separate us from the star cluster: it took place either in orbit around the Earth, in the case of a satellite, or in the atmosphere, in the event of a meteor: if it was a satellite, it had a 'flare' (short exposure to the Sun) just near M 92. In any case, the meeting seems to give a certain charm to the image of the celestial object. The event involved a single frame out of 376, all of 30 seconds each, with which the image was built: a special processing technique made it possible to recover the trail while merging all frames together (normally the stacking program would remove it, considering it "noise").

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