400mm f6.8 ODK, ST10XME, J/C Filters 240 second exposure through Rc filter. GPS time control, analysis in AIJ. Gap due to passing clouds soon after ingress.
400mm f6.8 ODK, ST10XME, J/C Filters 240 second exposure through Rc filter. GPS time control, analysis in AIJ. Gap due to passing clouds soon after ingress.