thingsaurus
This is a 'thesaurus for things' or similarity engine: results show things that have something in common with what you enter. The more stars, the more things in common! You can use it for research, recommendations or simply to explore ideas and related subjects.
Here are your results for M2-42...
Stars indicate closer matches.
IRAS 17423-1755 
- M 1-42
- NGC 6445
- NGC 6565
- NGC 6578
- NGC 6818
- Red Spider Nebula
- Planetary nebula
- List of planetary nebulae
- Abell 7
- Abell 12
- Abell 13
- Abell 31
- Abell 33
- Abell 36
- Abell 39
- Abell 48
- Abell 63
- Abell 70
- Abell 78
- Abell Catalog of Planetary Nebulae
- Cat's Eye Nebula
- Cometary knot
- Dumbbell Nebula
- Engraved Hourglass Nebula
- Eskimo Nebula
- Fast Low-Ionization Emission Region
- Fleming 1
- Helix Nebula
- Hen 2-47
- Hen 2-131
- Hen 2-428
- Hen 2-437
- IC 289
- IC 418
- IC 1295
- IC 2149
- IC 2448
- IC 4406
- IC 4997
- IC 5148
- Jones-Emberson 1
- K 1-2
- KjPn 8
- Kronberger 61
- Little Dumbbell Nebula
- Little Ghost Nebula
- LoTr 5
- M1-63 nebula
- M1-67
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