
Tag: Sun
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Astrophotography with Sigma 150-600mm DG OS Contemporary and dedicated teleconverters

Mercury transit on November 11, 2019

Astronomy, Astrophotography, Astrophysics
H-Alpha filter in an exceptional observations of solar phenomena

Astronomy, Astrophotography, Weather
Photography of the Sun through a natural filters

Horizontal visibility as the main factor of long-distance observations, part 1 – weather, astronomical and optical elements
