Blue Racquetball Nebula - planetary nebula
Blue Racquetball Nebula, also known as the Emerald Nebula and Green Nebula and Torquoise Orb, is a planetary nebula located in the constellation Ophiuchus .
Blue Racquetball Nebula is magnitude 9* and is 0.1' in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
- Blue Racquetball Nebula
- Alt Name:
- Emerald Nebula
- Alt Name 2:
- Green Nebula
- Alt Name 3:
- Torquoise Orb
- planetary nebula
- NGC 6572
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.
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