→M 13 from May 21st 2017; only 80x20 sec with the C9.25 at about 2400 mm; modified Canon 1100d; no filter; all images over an industrial area in Germany; bortle 6-8 (N-S)
M 13 from May 21st 2017; only 80x20 sec with the C9.25 at about 2400 mm; modified Canon 1100d; no filter; all images over an industrial area in Germany; bortle 6-8 (N-S)
→M 13 from May 21st 2017; only 80x20 sec with the C9.25 at about 2400 mm; modified Canon 1100d; no filter; all images over an industrial area in Germany; bortle 6-8 (N-S)