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Chelicerae
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Nematicides
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Over-packaging
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Balmer formula
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Pycnocline
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Lung
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Listeriosis
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Elective surgery
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WEEE
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CD-TV
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MD2
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Syrinx
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Serine
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Otherness
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Crystal lattice
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Web of Trust
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Random number
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DRCS
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ADH
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Contraceptive patch
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Jurassic
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Parasite
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Troposphere
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Debubblizing
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Phyllite
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Schistosomiasis
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Embryonic layer
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Galactorrhoea
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Anti-androgen
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Calvin cycle
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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