Home Up Hickson 44 M31 M33HaLRGB M51wide M 61 M63 M 65 M65 & M66 M66 M 74 M81 M81 & M82 M82 M83 M90 M100 M101 M104 M106 M 108 Triplet in Leo NGC253 NGC 891 NGC 2403 NGC 2903 NGC3628 NGC3718 NGC 4631 NGC 4565 NGC 5350 NGC 5746 Draco Trio NGC 6822 Barnard NGC 6946 NGC 7331 NGC7479 Markarian |
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M81 & M82

M81 full resolution crop
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0bject |
M81 and M82 Galaxies in Ursa Major |
| Date |
May 20, 29 2009 |
| Exposure |
LRGB 66:14:14:16 (unbinned) |
| Camera |
STL11000M with Astronomik filters |
| Telescope |
ASA 10N f/3.6 on Losmandy G11
w/Gemini |
| Guiding |
External guide head with E-finder |
| Processing |
MaximDL, PhotoshopCS3, GradientXterminator |
| Comments |
Poor seeing on the 29th; bad light
pollution from the northwest |

|
0bject |
M81 and M82 Galaxies in Ursa Major |
| Date |
April 2 and 4, 2008 |
| Exposure |
LRGB 142:15:15:15 (2 & 3 minute
integrations for luminance) |
| Camera |
STL11000M with Astronomik filters |
| Telescope |
Takahashi FSQ 106N f/5 on Losmandy G11
w/Gemini |
| Guiding |
External guide head with E-finder |
| Processing |
MaximDL, PhotoshopCS3, FITS Liberator,
GradientXterminator |
| Comments |
Clear and cool; bad light pollution
gradients |
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