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| description:: |
Spiral Galaxy M51 in Canes Venatici (Whirlpool Galaxy) |
| location:: |
Mt. Laguna, CA |
| equipment:: |
ST-8E, AO-7 using an RC Optical Systems 12.5" F/6.75 Ritchey-Chretien with Astro Physics 0.75X flattener/reducer |
| exposure:: |
L:8x10mins unbinned, R:2x10mins 2x2, G:2x10mins 2x2, B:2x16mins 2x2 |
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