Merlin66
15-04-2020, 11:43 AM
A ten minute "window of opportunity"!!!!
A couple of small AR's visible and a couple of nice proms in Ha.
(Still working on those Newton Rings!)
Also visible in CaK
A couple of small AR's visible and a couple of nice proms in Ha.
(Still working on those Newton Rings!)
Also visible in CaK