M8-M20 two part panorama Uploaded 9/15/24 Instrument: 10" f/3.9 Orion Astrograph Newtonian with Nexus 0.75x CC Mount: Astrophysics 1200 QMD CCD Camera: ATIK 16200 Guider: ASI290 w/80mm WO Zenithstar 81 piggyback refractor Exposure: 12.8hours Astronomik RGB Combine Ratio: 1: .9: 1.6 = G2V calibrated, Baader 3.5nm Ha Location: Payson, Arizona, Elevation: 5150 ft. Sky: Seeing FWHM = 3 arcsec , Transparency 9/10 Outside Temperature: 75 F CCD Temperature: -20 C Image Processing Tools: Maxim DL6: Calibration, PixInsight: All Remaining processing, Production finishing: Photoshop CS2 HOME GALAXIES EMISSION NEBS REFLECTION NEBS COMETS GLOBULARS OPEN CLUST PLANETARIES LINKS |