Folks: What is the minimum magnification required to resolve Mir? Using the skytrack function of David Cappellucci's SatSpy program, I noticed that on this morning's pass, Mir would pass very close to Polaris from my latitude. I set up a 70mm refractor with a 35mm eyepiece, yielding a magnification of 17x on Polaris and waited. When Mir came into the field of view, I followed it. I thought I saw a slight elongation in the direction of movement, but I wasn't sure if it was the shape of Mir or just astigmatism of my eye. I have seen the images of Mir/shuttle on daytime passes captured at high power in a large scope. Any rules of thumb for minimums? TIA, Ryan Rudnicki rr03@swt.edu