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Comet c2007 N3 Lulin
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0bject |
Comet c2007 N3 Lulin (passing δ Geminorum) |
| Date | 3/16/2009 |
| Exposure | LRGB 10:10:10:10 (unbinned & cropped; median combined stars & comet separately) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Cool 50ºF; clear with good transparency |
Full resolution crop
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0bject |
Comet c2007 N3 Lulin (passing the Eskimo Nebula, NGC 2392) |
| Date | 3/14/2009 |
| Exposure | LRGB 10:10:10:10 (unbinned; median combined stars & comet separately) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Cool 45ºF; high clouds blowing through |
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0bject |
Comet c2007 N3 Lulin |
| Date | 3/8/2009 |
| Exposure | LRGB 11:11:11:11 (unbinned; median combined stars & comet separately) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Cool 45ºF; waxing gibbous moon high in the sky |
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0bject |
Comet c2007 N3 Lulin and M44 (Beehive) |
| Date | 3/5/2009 |
| Exposure | RGB 10:10:10 (binned 3x3; median combined stars & comet separately) |
| Camera | STL11000M with Astronomik filters |
| Telescope | FSQ 106N f/5 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Warm and humid |
Inverted luminance|
0bject |
Comet c2007 N3 Lulin |
| Date | 2/28/2009 |
| Exposure | RGB 10:10:10 (unbinned & cropped; median combined stars & comet separately) |
| Camera | STL11000M with Astronomik filters |
| Telescope | FSQ 106N f/5 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Cold and very windy |
Inverted luminance
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0bject |
Comet c2007 N3 Lulin |
| Date | 2/22/2009 |
| Exposure | RGB 10:10:10 (unbinned & cropped; median combined stars & comet separately) |
| Camera | STL11000M with Astronomik filters |
| Telescope | FSQ 106N f/5 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Moderate seeing & light pollution |
Inverted luminance view
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0bject |
Comet c2007 N3 Lulin |
| Date | 2/19/2009 |
| Exposure | LRGB 10:10:10:10 (unbinned & cropped; luminance synthesized from R+G+B) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Clear and quite cold 17ºF |
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0bject |
Comet c2007 N3 Lulin |
| Date | 2/18/2009 |
| Exposure | RGB 8:8:8 (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Some high thin clouds and quite a few satellite trails |
Single 1 minute RGB
Inverted Green 60 seconds
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0bject |
Comet c2007 N3 Lulin |
| Date | 2/16/2009 |
| Exposure | RGB 10:10:10 (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Lots of nasty gradients from moon and local light pollution |
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0bject |
Comet c2007 N3 Lulin |
| Date | 2/12/2009 |
| Exposure | LRGB 6:6:6:6 (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Mild temps but 3/4 moon nearby in the sky wiped out the tail |
Luminance image
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0bject |
Comet c2007 N3 Lulin |
| Date | 2/7/2009 |
| Exposure | Luminance only 10x120 sec (unbinned and inverted) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Windy, mild and very poor seeing (6+ arcseconds) |
Inverted view Luminance only
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0bject |
Comet c2007 N3 Lulin |
| Date | 2/6/2009 |
| Exposure | LRGB 2:2:2:2 (unbinned) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-Finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Comet very near Zubenelgenubi |
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0bject |
Comet c2007 N3 Lulin (tail disconnect) |
| Date | 2/4/2009 |
| Exposure | Luminance only 120sec each; 300 sec (last image) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Self guided (internal) |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Comet well up in the East in Libra; very cold 13ºF |
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0bject |
Comet c2007 N3 Lulin |
| Date | 1/31/2009 |
| Exposure | LRGB 10:10:10:10 (Luminance synthesized, binned 2x2 and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Comet well up in the East in Libra; some high thin clouds |
Inverted view 012909
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0bject |
Comet c2007 N3 Lulin |
| Date | 1/29/2009 |
| Exposure | LRGB 10:10:10:10 (Luminance synthesized, binned 2x2 and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Comet well up in the East in Libra; cold 17ºF |
False color of the above image
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0bject |
Comet c2007 N3 Lulin |
| Date | 1/24/2009 |
| Exposure | Luminance only 4x180 sec (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3 |
| Comments | Comet well up in the East in Libra; very cold 13ºF |
False color of the comet
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0bject |
Comet c2007 N3 Lulin |
| Date | 1/22/2009 |
| Exposure | LRGB 8:10:10:10 (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3 |
| Comments | Comet well up in the East in Libra; some high thin clouds. |
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0bject |
Comet c2007 N3 Lulin |
| Date | 1/21/2009 |
| Exposure | RGB 4:4:4 (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3 |
| Comments | Comet about 26º above Eastern horizon; waning moon 14 degrees East. |
Inverted to show tail
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0bject |
Comet c2007 N3 Lulin |
| Date | 1/15/2009 |
| Exposure | LRGB 16:6:6:6 (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3 |
| Comments | Comet about 24º above Eastern horizon; very cold (1º F ). |
Close encounter with a satellite
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0bject |
Comet c2007 N3 Lulin |
| Date | 1/11/2009 |
| Exposure | LRGB 16:6:6:4 (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3 |
| Comments | Comet about 22º above Eastern horizon; very cold and clear. Full moon wiped out the tai and anti-tail. |
Stretched view
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0bject |
Comet c2007 N3 Lulin |
| Date | 1/8/2009 |
| Exposure | LRGB 6:6:6:6 (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3 |
| Comments | Comet about 20º above Eastern horizon; very cold and clear |
Wide
field
Inverted (Tail?)
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0bject |
Comet c2007 N3 Lulin |
| Date | 1/1/2009 |
| Exposure | RGB 6:6:6 (unbinned and cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | Takahashi FSQ 106N f/5 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3 |
| Comments | Comet about 16º above Eastern horizon; thin clouds |
Stretched and inverted - tail?
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0bject |
Comet c2007 N3 Lulin |
| Date | 12/30/2008 |
| Exposure | RGB 5:5:5 (unbinned) |
| Camera | STL11000M with Astronomik filters |
| Telescope | Takahashi FSQ 106N f/5 on Losmandy G11 w/ Gemini |
| Guiding | Remote guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Comet about 12º above Eastern horizon |
