Markarian’s Chain

Markarian’s Chain

01 April 2019
28x3min
Canon EOS 6D
ISO 3200
Takahashi FC-100DF Refractor
D=100mm f/d=7.4 @f/d=4.9
with FC-35 0.66x focal reducer/field flattener
Alfatar, Balkanic Eastern Danubian Plain, Bulgaria