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Regional Natural Park
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Salix viminalis
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Offspring
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Black locust
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Neurite
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Invertebrate
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Magma
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Isomerism
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PSA
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Basal shoot
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Coppice
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Rosemary
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Mascarene petrel
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R22
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Acini
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Gland
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Clays (minerals)
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Gallstone
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Permafrost
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Tensor
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Datamining
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DHEA
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Nutation
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Visual field
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Tripton
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Cortisone
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Bioenergy
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Corti cell
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Exif
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Pupa
M101
M101 is a beautiful spiral galaxy seen face-on in the constellation of Ursa Major. Its apparent size is nearly a full Moon, but its extent and fine spiral arms can only be observed through a large telescope.
It is 27 million light-years away and is the brightest in a group of at least 9 galaxies.
Photographed by "baf" (the person's pseudonym on the astro forum) using a digital reflex camera fitted behind a 150 mm diameter telescope.
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