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 NGC 6440...
Stars indicate closer matches.
2MASS-GC02 
- Messier 22
- Messier 28
- Messier 54
- Messier 55
- Messier 69
- Messier 70
- Messier 75
- NGC 6522
- NGC 6528
- NGC 6540
- NGC 6544
- NGC 6553
- NGC 6558
- NGC 6569
- NGC 6624
- NGC 6638
- NGC 6642
- NGC 6717
- NGC 6723
- Palomar 8
- Terzan 5
- Terzan 7
- Globular cluster
- Shapley–Sawyer Concentration Class
- List of globular clusters
- 47 Tucanae
- Arp-Madore 1
- Balbinot 1
- Dark globular cluster
- Djorgovski 1
- ESO 280-SC06
- FSR 1758
- HVGC-1
- IC 4499
- Kim 2
- Koposov 1
- Koposov 2
- Laevens 1
- Laevens 3
- Liller 1
- Mayall II
- Mercer 3
- Messier 2
- Messier 3
- Messier 4
- Messier 5
- Messier 9
- Messier 10
- Messier 12
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