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VdB 158 is a Reflection nebula in the constellation of Andromeda and correspond to the brightest bluish area of the diffuse galactic nebula catalogued as GAL110-13. The cloud is illuminated by two blue-white dwarf of spectral class B9V and a third star of spectral class B8V, the main cause of the light received from the cloud. These three stars show a common proper motion, indicating that this is a group of stars physically related to each other and have a common origin. Furthermore, their distance of about 400 parsecs (1435 light years), placing them in the same region of Lacerta OB1. |
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Location / Exposure Date |
Mt Parnon 18-19 August 2012 |
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Telescope |
TS APO 65Q - 65mm f/6,5 Quadruplet Astrograph |
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Mount |
IOpron IEQ45 EQ Mount |
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Camera |
QHY9 KAF 8300 mono CCD, Temp -25 C |
| Guideδ |
TS Finder 8x50,QHY5, PHD Guide |
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Filters / Exposures |
L 25x900 sec bin 1x, RGB 8x600sec bin 2x |
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Total Exposure Time |
10,5 Hours |
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Software |
Nebulosity 3, Deep Sky Stacker, Pixinshight, Photoshop CS5. |
