Avian Astronomy

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Across
  1. 1. Nebula that is part of Swan constellation
  2. 3. Named after the Crow
  3. 8. Named after the Swan
  4. 9. Named after the Pigeon
  5. 11. Number of constellation named after birds
  6. 12. Named after the Eagle
Down
  1. 2. Named after the No-feet bird or Bird of Paradise
  2. 4. Nebula named after the egg of this bird
  3. 5. Named after the Toucan
  4. 6. Born again bird of Harry Potter
  5. 7. Named after the Crane
  6. 10. Named after the Peacock