Prime focus Astrophotography with the 8.5'' Newtonian

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Star clusters only:

All taken with 8.5'' F6 Newtonian and Canon 1000D DSLR at prime focus with a LP filter. ISO1600 unless stated. Processed with GIMP and/or DSS.
Each object is usually shown either 4x4 binned ( ~4''/pixel) or 2x2 binned (~2''/pixel), both cropped to 600x400. For large objects the full frame (3888x2592) may be scaled to 600x400 (~6''/pixel), whilst very small objects are shown unbinned (~1''/pixel - actually 0.94'').

Click on any image icon to see the enlarged version ...


M2 - 960s
M3 - 2280s
M5 - 1044s
M5 - 1044s

M13 - 2970s
M13 - 2970s
M15 - 2340s
M34 - 750s

M35 + NGC2158 - 630s
M36 - 2610s
M37 - 1800s
M38 - 690s

M46 - 600s
M47 - 480s
M50 - 750s
M52 - 2040s

M53 - 2310s
M56 - 2040s
M56 - 2040s
M67 - 1170s

M71 -1980s
M71 -1980s
M92 - 1980s
M92 - 1980s

M103 - 870s
NGC188 - 1800s
NGC457 - 810s
NGC559 - 1800s

NGC637 - 870s
NGC654 - 750s
NGC659 - 660s
NGC663 - 1470s

NGC869/884 - 690s
NGC1245 - 1920s
NGC1528 - 1530s
NGC1807/NGC1817 - 690s

NGC1907 - 660s
NGC2194 - 1230s
NGC2266 - 1680s
NGC2419 - 4305s

NGC2419 - 4305s
NGC2420 - 1470s
NGC2420 - 1470s
NGC4147 - 3000s

NGC5053 - 2130s
NGC5053 - 2130s
NGC5466 - 2220s
NGC5466 - 2220s

NGC6229 - 1920s
NGC6426 - 600s
NGC6760 - 1200s
NGC6791 - 660s

NGC6934 - 1350s
NGC6939 - 2460s
NGC7006 - 1890s
NGC7142 - 2310s

NGC7788/90 - 1350s
NGC7789 - 1170s

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