Abell 21 (Planetary nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 150 arcminutes across.
From Fairfield , Abell 21 is visible in the morning sky, becoming accessible around 22:29, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 03:18, 62° above your southern horizon. It will be lost to dawn twilight around 05:36, 48° above your south-western horizon.
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Name
Abell 21
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Object type
Planetary nebula
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Position
| Right ascension: | 07h29m [1] |
| Declination: | +13°15' [1] |
| Constellation: | Gemini |
| Magnitude: | 10.20 (V) [1] |
Sources