Astrophotography with the Nexstar SLT 102

Images processed with GIMP and/or DSS.

All taken with an 102mm F6.5 Celestron Nexstar refractor and Canon 1000D DSLR at prime focus.
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 ...


M1 - 870s, SLT, ISO800
4x4 binned, 17/01/10

M4 and NCG6144 - 1085s, SLT, ISO1600 LP filter
4x4 binned, 28+30/6/2011 (from Wales)

M8 - 540s, SLT, ISO1600 LP filter
4x4 binned, 30/6/2011 (from Wales)

M16 - 1380s, SLT, ISO1600 LP filter
4x4 binned, 13/9/2012 (from Suffolk)

M17 - 639s, SLT, ISO400 LP filter
4x4 binned, 28/6/2011 (from Wales)

M17 - 639s, SLT, ISO400 LP filter
2x2 binned, 28/6/2011 (from Wales)

M20 - 330s, SLT, ISO1600 LP filter
4x4 binned, 30/6/2011 (from Wales)

M27 - 870s, SLT, ISO1600 LP filter
4x4 binned, 8/9/2012 (from Suffolk)

M31 - 1110sec, SLT, ISO800
4x4 binned, 18/01/10

M31 - ~1hr, ISO1600
scaled to fit, 30/1+02/2/10

M31 - 5640s, SLT, ISO1600 LP filter
scaled to fit, 11/13/18/9/2012 (part Suffolk)

M33 - 1700sec, ISO1600
4x4 binned, 30/01/10

M33 - 2210sec
2x2 binned, 18+30/01/10

M35+NGC2158 - 510sec, SLT, ISO800
4x4 binned, 18/01/10

M37 - 320sec, SLT, ISO800
4x4 binned, 28/12/09

M37 - 320sec, SLT, ISO800
2x2 binned, 28/12/09

M37 - 1560sec, ISO800
full frame, 1/03/10

M38+NGC1907 - 190sec, SLT, ISO800
4x4 binned, 28/12/09

M38 - 190sec, SLT, ISO800
2x2 binned, 28/12/09

M42 - 540sec, ISO1600
5x5 binned, 30_31/01/10

M45 - 1080sec, SLT, ISO800
4x4 binned, scaled slightly, 17/01/10

M45 - 2820sec, ISO800
4z4 binned, 17+31/01/10

M51 - 1800sec, ISO800
unbinned, 01/04/10

M51 - 1800sec, ISO800
2x2 binned, 01/04/10

M51 - 1800sec, ISO800
4x4 binned, 01/04/10

M57 - 235sec, SLT, ISO800
4x4 binned, 28/12/09

M57 - 235sec, SLT, ISO800
2x2 binned, 28/12/09

M59/60 - 1470s, SLT, ISO1600 LP filter
4x4 binned, 26+29/3/2012 (from Scotland)

M61 - 750s, SLT, ISO1600 LP filter
4x4 binned, 30/3/2012 (from Scotland)

M65/66 - 3690s, SLT, ISO800/1600
2x2 binned, 1/4/2010 + 29+30/3/2012 (part Scotland)

M65/66 + NGC3826 - 3690s, SLT, ISO800/1600
4x4 binned, 1/4/2010 + 29+30/3/2012 (part Scotland)

M81/2 - 2400sec, ISO800
4x4 binned, 18/01+16/04/10

M82 - 1200sec, SLT, ISO800
unbinned, 18/01/10

M84/6 and friends - 2550s, SLT, ISO800/1600
4x4 binned, 14/4/2010 + 26+30/3/2012 (part Scotland)

M87 - 780s, SLT, ISO1600 LP filter
4x4 binned, 27/3/2012 (from Scotland)

M88/91 - 840s, ISO1600 LP filter
4x4 binned, 27/3/2012 (from Scotland)

M89/90 - 1860s, SLT, ISO1600 LP filter
4x4 binned, 26+29/3/2012 (from Scotland)

M95(+supernova)/96 - 2970s, SLT, ISO1600 LP filter
4x4 binned, 26+27+30/3/2012 (from Scotland)

M97 - 3000sec, ISO1600/800
unbinned, 20/02+16/04/10

M98 - 840s, SLT, ISO1600 LP filter
4x4 binned, 29/3/2012 (from Scotland)

M99 - 780s, SLT, ISO1600 LP filter
4x4 binned, 29/3/2012 (from Scotland)

M100 - 1710s, SLT, ISO1600 LP filter
4x4 binned, 27+30/3/2012 (from Scotland)

M101 - 3000sec, ISO800
2x2 binned, 12+15/04/10

M101 - 3000sec, ISO800
4x4 binned, 12+15/04/10

M104 - 2520s, SLT, ISO1600 LP filter
2x2 binned, 27+30/3/2012 (from Scotland)

M104 - 1680s, SLT, ISO1600 LP filter
4x4 binned, 27+30/3/2012 (from Scotland)

M108 - 3000sec, ISO1600/800
unbinned, 20/02+16/04/10

M97+M108 - 3000sec, ISO1600/800
4x4 binned, 20/02+16/04/10

NGC869+884 - 1800sec, ISO800
full frame, 04/03/10

NGC891 - 1800sec, ISO1600
2x2 binned, 30/1/10

NGC891 - 1800sec, ISO1600
4x4 binned, 30/1/10

NGC2024 - 900sec, ISO1600
4x4 binned, 31/01/10

NGC2244 - 2820sec, ISO800/1600
full frame, 30/01/10+04/03/10

NGC2903 - 1800sec, ISO1600
2x2 binned, 20/02/10

NGC6960 - 1020s, SLT, ISO1600 LP filter
5x5 binned, 13/9/2012 (from Suffolk)

Comet Hergenrother - 1200s, SLT, ISO1600 LP filter
2x2 binned, 9/10/2012

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