Bryan Stone Past President, NSAAC (North Shore Amateur Astronomy Club) Visual Astronomer with: "GoldenEye" XT8 Classic, flocked, Moonlite CR2(Gold), Telrad, 1st Base mount Serial #001 "Night Hawk" SV 80mm f/7 Aplanat on M1/GNG TV 11NT6, 32P, 1.8xB, Pentax XF 8.5 ES 82 N2 6.7, GSO SV 30, UO KII 16 Lumicon OIII,Orion Ultrablock, Moon Filter, 4 color filters, 25mm Sirius P, 10x50 Explorer Binocs, Celestron broadband filter,Tectron collimation tools, Pelican 1500 Divider Case, StarDust chair
150mm MCT f/13, 31% CO
"People say I'm in denial. I disagree."
Used acronyms: NEML=Naked Eye Magnitude Limit, SQM=Sky Quality Meter, TML=Telescope Magnitude Limit, CO=Central Obstruction, delta_m=difference in magnitudes between double star components, RoT=Rule of Thumb, pD_mm=proposed D_mm for resolving a binary (ident with earlier used pA=proposed Aperture), D_mm=Diameter (of scope) in mm, UCAC4=USNO CCD Astrograph Catalog 4th edition
Quote:... right on the first ring @ 1.2" arc...
Quote:... part of STF 748 ... the CF pairing, mags 5.06 and 11.5 ... I don't think CF is in this list...