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Cygnus region, Zeiss 135mm f/3.5, 450D, CLS, 1h20m


themos

16 5-min frames at ISO400 with the 135mm wide open at f/3.5, the modified EOS 450D and a CLS filter. Background flattening, levels and curves by PixInsight, no noise-reduction applied, size reduced to quarter from original.


From the album:

Autoguided EQ1

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