| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bubble nebula ngc 7635 gh | 0.19 | 0.8 | 171 | 29 |
| bubble nebula ngc 6822 | 0.7 | 0.7 | 777 | 48 |
| bubble nebula ngc 6822 images | 0.04 | 0.1 | 9794 | 97 |
| ngc 2264 cone nebula | 0.73 | 1 | 2096 | 33 |
| butterfly nebula ngc 6302 | 0.66 | 0.5 | 5318 | 3 |
| butterfly nebula ngc 6302 nasa | 1.49 | 0.6 | 4914 | 93 |
| christmas tree nebula ngc 2264 | 0.01 | 0.7 | 4075 | 47 |
| ngc 3576 the statue of liberty nebula | 0.35 | 1 | 6691 | 49 |
| ngc 7662 blue snowball nebula | 1.79 | 0.8 | 4558 | 96 |
| ngc 6302 planetary nebula | 0.81 | 0.1 | 1766 | 65 |
| ngc 7293 helix nebula | 0.4 | 0.2 | 974 | 80 |
| ngc 6888 crescent nebula | 0.78 | 0.6 | 8576 | 73 |
| ngc 1579 nebula images | 0.27 | 0.4 | 2250 | 10 |
| ngc 7000 north america nebula | 1.98 | 1 | 7677 | 20 |
| hubble's variable nebula ngc 2261 | 0.88 | 0.8 | 3036 | 51 |
| ngc 2835 black hole | 0.69 | 0.8 | 7916 | 8 |
