I ache, therefore I am
Pete Deierlein Homebuilt 18" Dob Meade RCX400 10" Meade SN10 on Atlas ES 152mm f4.8 Mak-Newt on CG5-ASGT Many achromatic and apochromatic refractors 50mm to 150mm, f/5 through f/15 Hyperstar C8 with Starlight Xpress H9C ETX 125 (best grab & go) NexStar 114 (to loan out) A quad of Tele-Vue EPs and many others Many binoculars Meade DSI 2 and Stellacam 2 mod'd Rebel XS (1000D) with T2, Pentax K and M42 adapters Pentax K1000 with many Pentax SLR lenses
Quote:a focal reducer. That might be exactly the answer.
Quote:When I get some scope time I want to try and figure out an optimum magnification for darkening the field before seeing begins to play a role
Quote:Seeing isn't really much of a factor with higher mags though. Purposefully defocusing stars for brightness comparison is an acceptable and very effective method for making an estimate, so a lttle fuzziness due to poor seeing shouldn't affect one's ability to compare nearby stars.