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Bearer service
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CRBPO / Centre for Research in Biology and Bird Population
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Allanite
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Influenza A
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Antibiotic
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Attosecond
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NASA World Wind
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Rydberg atom
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Minatec
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Crenellation
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Lift
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Nitrogen cycle
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Hydroelectricity
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Haemoglobin
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Glottis
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Avian
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Virtual water
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Aquifer
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Ductility
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Differentiation
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Kliper
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Gastroscopy
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Diagnosis
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Electronic data interchange
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Falconiformes
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Temperate forest
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Chemotaxis
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Local zoning plan
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Palilalia
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Infuse
The Dumbbell nebula
This was the first nebula discovered by MESSIER in 1764.
It also looks like an apple core; what can be seen is the gaseous envelope ejected by a dying star in the centre of the nebula.
M27 is a remarkable object through a pair of binoculars because of its apparent size (half a full Moon) and its brightness (magnitude 7.4).
This is a 35 minute exposure photograph using a CCD camera behind a 15 cm telescope. picture by Chamois.
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