Target: M103 (NGC 581, open cluster in Cassiopeia, apparent dimension 6.0 arcmin, magnitude 7.4) Distance from Earth: 8500 light-years Image FOV: 36 x 26 arcmins Mount: Takahashi NJP Temma II Telescope: Takahashi TOA-130 refractor with TOA-130 0.78x reducer (f/6.0) and Astrodon R, G and B filters. Camera: Starlight Xpress SXVF-H9 ccd guided by SX Autoguider with Takahashi FS-60C refractor (f/5.9) Focus: Finger Lakes Instrumentation DF-2 focuser with FocusMax/MaxIm DL software Images: Captured with MaxIm DL 4.60 at an image scale of 1.69 arcsec/pixel; 70 minutes (R), 80 minutes (G) and 70 minutes (B); total exposure time of 220 minutes on Nov 28, 2009 Processing: MaxIm DL 5.05, Astronomy Tools and Photoshop CS3 with Noise Ninja and GradientXTerminator; R, G and B images processed individually, aligned and combined in MaxIm DL. Combined image processed in PS; image cropped

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Target: Omega Centauri (NGC 5139, globular cluster in Centaurus)

Distance from Earth: 17,000 light-years

Image FOV: 40 x 28 arcmins

Telescope: PlaneWave CDK 20 (f/4.5)

Camera: FLI ProLine PL6303E

Images: Data captured at an image scale of 0.81 arcsec/pixel (binned 1x1); 36, 300 sec exposures; 93 minutes Lum, 30 minutes R, 30 minutes G and 27 min B on Feb 19, 2013; total exposure time of 180 minutes

Processing: MaxIm DL 5.18, CCDStack 1.7, Registar 1.0 and Photoshop CS3 with GradientXTerminator and StarSpikes Pro 2.0, image cropped

$Target: Omega Centauri (NGC 5139, globular cluster in Centaurus) Distance from Earth: 17,000 light-years Image FOV: 223 x 144 arcmins Telescope: Takahashi FSQ-106ED refractor (f/5.0) Camera: SBIG STL11000M Images: Data captured at an image scale of 3.49 arcsec/pixel (binned 1x1); 40, 120 sec subexposures; 16 minutes (R), 16 minutes (G), 16 minutes (B) and 32 minutes (L) on Apr 17, 18, 2011; total exposure time of 80 minutes Processing: MaxIm DL 5.12, Registar 1.0 and Photoshop CS3 with GradientXTerminator, Noise Ninja and StarSpike Pro; image cropped$

Target: Omega Centauri (NGC 5139, globular cluster in Centaurus)

Distance from Earth: 17,000 light-years

Image FOV: 25 x 17 arcmins

Telescope: RCOS 12.5" (f/6.1)

Camera: SBIG ST10XME

Images: Luminance data captured at an image scale of 0.73 arcsec/pixel (binned 1x1); 24, 120 sec subexposures; RVB data captured at an image scale of 1.46 arcsec/pixel (binned 2x2); 24, 120 sec subexposures; 16 minutes (R), 16 minutes (V) 16 minutes (B) and 48 minutes (L) Apr 17, 2011; total exposure time of 96 minutes

Processing: MaxIm DL 5.12, Registar 1.0 and Photoshop CS3 with GradientXTerminator, Noise Ninja and StarSpike Pro; final image scale 0.73 arcsec/pixel, image cropped

Target: M13 (NGC 6205, globular cluster in Hercules)

Distance from Earth: 25,100 light-years

Image FOV: 65 x 65 arcmins

Telescope: Takahashi TOA-130 (f/6.0)

Camera: Starlight Xpress SXVR-H16

Images: Captured at an image scale of 1.96 arcsec/pixel; 24 120 sec subexposures with the lum filter and 24, 120 sec subexposures with the RGB filters; 16 minutes (R), 16 minutes (G), 16 minutes (B) and 48 minutes (L); total exposure time of 96 minutes on Apr 14, 2011; all subs binned 1x1

Processing: MaxIm DL 5.12 and Photoshop CS3 with GradientXTerminator, Noise Ninja and StarSpikes Pro; image cropped

Target: M3 (NGC 5272, globular cluster in Canis Venatici)

Distance from Earth: 33,900 light-years

Image FOV: 40 x 26 arcmin

Telescope: PlaneWave CDK17 (f/6.8)

Camera: SBIG STL11000M ccd

Images: Captured from GRAS-007 in Nerpio, Spain at an image scale of 0.63 arcsec/pixel; 44, 120 sec subexposures; 20 minutes (R), 18 minutes (V), 20 minutes (B) and 30 minutes (L); total exposure time of 88 minutes on Feb 11, 12, 2011; L data binned 1x1, RVB data binned 2x2

Processing: MaxIm DL 5.12, Registar 1.0 and Photoshop CS3 with GradientXTerminator and Noise Ninja; image cropped

Target: M35 (NGC 2168, open star cluster in Gemini)

Distance from Earth: 2800 light-years

Image FOV: 60 x 39 arcmin

Telescope: Takahashi Epsilon (f/3.4)

Camera: SBIG ST10XME

Images: Captured from GRAS-005 in Mayhill, NM at an image scale of 1.65 arcsec/pixel; 20, 180 sec subexposures with the clear filter and 5, 120 sec subexposures with the RGB filters; 10 minutes (R), 10 minutes (G), 10 minutes (B) and 30 minutes (C); total exposure time of 60 minutes on Jan 23, 2011

Processing: MaxIm DL 5.12 and Photoshop CS3 with GradientXTerminator, Astronomy Tools and Star Spikes Pro; image cropped

$Target: M45 (The Pleiades, open cluster in Taurus) Distance from Earth: 440 light-years Image FOV: 232 x 153 arcmins Telescope: Takahashi FSQ-106ED refractor (f/5.0) Camera: SBIG STL11000M ccd Focus: Autofocus Images: Captured from GRAS-014 in Mayhill, NM at an image scale of 3.49 arcsec/pixel; 19, 600 sec subexposures; 50 minutes (R), 50 minutes (G) and 90 minutes (B), total exposure time of 190 minutes on Nov 1, 2010 Processing: MaxIm DL 5.12, Registar 1.0 and Photoshop CS3 with GradientXTerminator and Noise Ninja; image cropped$

$Target: M3 (NGC 5272, globular cluster in Canis Venatici, apparent dimension 18 arcmin, magnitude 6.3) Distance from Earth: 33,900 light-years Image FOV: 38 x 29 arcmin Mount: Takahashi NJP Temma II Telescope: Takahashi TOA-130 refractor with TOA-130 0.78x reducer (f/6.0) and Astrodon R, G and B filters. Camera: Starlight Xpress SXVF-H9 ccd guided by SX Autoguider with Takahashi FS-60C refractor (f/5.9) Focus: Finger Lakes Instrumentation DF-2 focuser with FocusMax/MaxIm DL software Images: Captured with MaxIm DL 4.60 at an image scale of 1.69 arcsec/pixel; 50 minutes (R), 60 minutes (G) and 60 minutes (B); total exposure time of 170 minutes on Mar 5, 2010 Processing: MaxIm DL 5.05, Images Plus 3.5 and Photoshop CS3 with Astronomy Tools, Noise Ninja and GradientXTerminator; R, G and B images processed individually, aligned and combined in MaxIm DL. Combined image processed in PS and ImagesPlus; image cropped$

$Target: M103 (NGC 581, open cluster in Cassiopeia, apparent dimension 6.0 arcmin, magnitude 7.4) Distance from Earth: 8500 light-years Image FOV: 36 x 26 arcmins Mount: Takahashi NJP Temma II Telescope: Takahashi TOA-130 refractor with TOA-130 0.78x reducer (f/6.0) and Astrodon R, G and B filters. Camera: Starlight Xpress SXVF-H9 ccd guided by SX Autoguider with Takahashi FS-60C refractor (f/5.9) Focus: Finger Lakes Instrumentation DF-2 focuser with FocusMax/MaxIm DL software Images: Captured with MaxIm DL 4.60 at an image scale of 1.69 arcsec/pixel; 70 minutes (R), 80 minutes (G) and 70 minutes (B); total exposure time of 220 minutes on Nov 28, 2009 Processing: MaxIm DL 5.05, Astronomy Tools and Photoshop CS3 with Noise Ninja and GradientXTerminator; R, G and B images processed individually, aligned and combined in MaxIm DL. Combined image processed in PS; image cropped$

Target: M103 (NGC 581, open cluster in Cassiopeia, apparent dimension 6.0 arcmin, magnitude 7.4)

Distance from Earth: 8500 light-years

Image FOV: 36 x 26 arcmins

Mount: Takahashi NJP Temma II

Telescope: Takahashi TOA-130 refractor with TOA-130 0.78x reducer (f/6.0) and Astrodon R, G and B filters.

Camera: Starlight Xpress SXVF-H9 ccd guided by SX Autoguider with Takahashi FS-60C refractor (f/5.9)

Focus: Finger Lakes Instrumentation DF-2 focuser with FocusMax/MaxIm DL software

Images: Captured with MaxIm DL 4.60 at an image scale of 1.69 arcsec/pixel; 70 minutes (R), 80 minutes (G) and 70 minutes (B); total exposure time of 220 minutes on Nov 28, 2009

Processing: MaxIm DL 5.05, Astronomy Tools and Photoshop CS3 with Noise Ninja and GradientXTerminator; R, G and B images processed individually, aligned and combined in MaxIm DL. Combined image processed in PS; image cropped

Original size: 1286x940 |

Current: 800x585 |

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