Abell 40 (Planetary nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , Abell 40 is not observable – it will reach its highest point in the sky during daytime and is 5° below the horizon at dusk.
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Name
Abell 40
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Object type
Planetary nebula
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Position
| Right ascension: | 16h48m [1] |
| Declination: | −21°01' [1] |
| Constellation: | Ophiuchus |
| Magnitude: | 17.80 (V) [1] |
Sources