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EarthSky Community Photos
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Steven Bellavia
New Suffolk, NY
New Suffolk, NY
10/11/2022
05:56 am
05:56 am
Mercury's tail was captured Using an Edmund Optics 589 nm, 10nm bandwidth filter in an custom 3-D printed enclosure
Borg 90FL, f/4 fluorite refractor
ZWO ASI 294MM pro camera, cooled to -10C
17 x 60 second photos, calibrated and stacked to reveal the fain tail of the planet Mercury
A 24 million km long plume of gas is ejected from Mercury's thin atmosphere due to the sun, very much like a comet.
This is only visible using a narrowband filter that captures the bright yellow sodium light at 589nm.
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