1. Examples of Planetary Nebula All images have been obtained from the Astronomy Picture of the Day website. Note the central White Dwarf stellar remnant in each image. Note that some PN are spherically symmetric and some display bipolar symmetry.

2. Abell 39 Planetary Nebula

3. Cat’s Eye Planetary Nebula

4. The Eskimo Planetary Nebula

5. The Helix Planetary Nebula

6. M 27 Planetary Nebula

7. M 29 Butterfly Planetary Nebula

8. M 57 The Ring Planetary Nebula

9. NGC 2346 Planetary Nebula

10. NGC 2240 Planetary Nebula

11. NGC 3132 Planetary Nebula

12. NGC 6537 Planetary Nebula

13. The Blinking Eye Planetary Nebula

14. The Saturn Planetary Nebula

15. The Spirograph Planetary Nebula

16. The Stingray Planetary Nebula

17. The Hourglass Planetary Nebula

18. The Rotten Egg Planetary Nebula