Abell 39 Planetary Nebula
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Abell 39 is a low surface brightness planetary nebula in the constellation of Hercules. It is estimated to be about 6800 light-years from earth and 4600 light-years above the Galactic plane.It is almost perfectly spherical and also one of the largest known spheres with a radius of about 2.5 light-years. |
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Location - Exposure Dates |
Mauna Keratea Obs, 1-2 June 20103 |
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Telescope |
Toscano 10" Truss RC f/9 Astrograph |
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Mount |
Celestron CGE Pro EQ Mount |
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Camera |
QHY9 KAF 8300 mono CCD, Temp -25 C |
| Guiding |
60/230mm Lunatico's Guidescope , QHY5, PHD Guide |
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Filters / Exposures |
L 18x300 sec bin 1x, RGB 12x180 bin 2x |
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Total Exposure Time |
3,5 ~ hours |
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Software |
Nebulosity 3,Maxim DL, Pixinshight, Photoshop CS6. |
