Astrophotography with the Nexstar SLT 102

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Galaxies only:

Images processed with GIMP and/or DSS.

All taken with an 102mm F6.5 Celestron Nexstar refractor and Canon 1000D DSLR at prime focus with a Skywatcher LP filter at ISO1600 (unless stated otherwise). Most are taken with the telescope mounted on the HEQ5 mount, but those marked 'SLT' were taken using the original alt-az mount.

Each object is shown either 4x4 binned ( ~8''/pixel) or 2x2 binned (~4''/pixel), both cropped to 600x400. Occasionally the full frame (3888x2592) is scaled to 600x400.

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


M31 - ~1hr (no LP)
M31 - 5640s, SLT
M31 - 3210s
M33 -3000s, ISO1600

M33 -3000s, ISO1600
M51 - 6300s, ISO800/1600
M51 - 6300s, ISO800/1600
M51 - 6300s, ISO800/1600

M59/60 - 2070s, part SLT
M59/60 - 2070s, part SLT
M61 - 750s, SLT
M65/66 - 3690s, SLT, ISO800/1600

M65/66 + NGC3826 - 3690s, SLT, ISO800/1600
M68 - 510s, SLT
M81 - 4140s ISO800(no LP)/1600
M81/2 - 2400sec, ISO800 (no LP)

M82 - 1200sec, SLT, ISO800 (no LP)
M84/6 and friends - 3210s, SLT, ISO800/1600
M87 - 780s, SLT
M88/91 - 840s

M89/90 - 1860s, SLT
M95(+supernova)/96 - 2970s, SLT
M98 - 840s, SLT
M99 - 2070s, part SLT

M100 - 3090s, part SLT
M101 - 3000sec, ISO800 (no LP)
M101 - 3000sec, ISO800 (no LP)
M104 - 2940s, SLT

M104 - 2940s, SLT
M108 - 3000sec, ISO1600/800 (no LP)
M97+M108 - 3000sec, ISO1600/800 (no LP)
NGC147+NGC185 - 2490s

NGC891 - 1800sec (no LP)
NGC891 - 1800sec (no LP)
NGC2359 - 3390s, SLT
NGC2359 - 3390s, SLT

NGC2903 - 1800sec (no LP)
NGC3115 - 1410s, SLT
NGC6939/46 - 3600s
NGC6946 - 3600s
Cepheus

Stephans Quintet - 2950s
NGC 7331 - 2950s

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