Home Image Gallery Clusters Galaxies Lunar Nebulae Solar System Sun
Date/Location June 22 & 24, 2017 KEASA Observatory, Barking Sands, Kauai, Hawaii
Camera and Settings SBIG SFF-8300C and ST-2000XCM CCD cameras both at-5°C
Telescope Stellarvue SV70 70mm f/6 and Astrotech 8-inch f/8 Ritchey–Chrétien each with a 0.8x focal reducer/field flattener
Mount Paramount MyT German equatorial mount
Exposure Wide field 80 min (8 x 10 min) / Narrow field 240 min (24 x 10 min)
Processing CCDOpts, Image Plus 6.5, Photoshop CS5
Other Mag. 9.2 spiral galaxy in Coma Berenices. 9.8 x 7.1 arc minutes. Fainter galaxy to west (right) is NGC4712, Mag 13, 1.6 x 0.7 arc minutes. Fainter galaxy to NE wide field image is NGC4747, Mag. 12.4 2.1 x 1.0 arc minutes.
NGC4725
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