“Messier Challenge” invites you to raise your eyes to the starry night and discover the “jewels” found in the sky. It is an invitation to the discovery of non-stellar celestial objects (with or without instruments) and its location in the celestial sphere.
Europe
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America
- Experiment 1
- Experiment 2
- Experiment 3
- Experiment 4
- Experiment 5
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- Experiment 10
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- Experiment 12
- Experiment 13
- Experiment 14
- Experiment 15
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- Experiment 24
Asia
- Experiment 1
- Experiment 2
- Experiment 3
- Experiment 4
- Experiment 5
- Experiment 6
- Experiment 7
- Experiment 8
- Experiment 9
- Experiment 10
- Experiment 11
- Experiment 12
- Experiment 13
- Experiment 14
- Experiment 15
- Experiment 16
- Experiment 17
- Experiment 18
- Experiment 19
- Experiment 20
- Experiment 21
- Experiment 22
- Experiment 23
- Experiment 24
- Experiment 25
- Experiment 26
- Experiment 27
- Experiment 28
- Experiment 29
- Experiment 30
- Experiment 31
- Experiment 32
- Experiment 33
- Experiment 34
- Experiment 35
- Experiment 36
- Experiment 37
- Experiment 38
- Experiment 39
- Experiment 40
- Experiment 41
- Experiment 42
- Experiment 43
- Experiment 44
- Experiment 45
- Experiment 46
- Experiment 47
- Experiment 48
- Experiment 49
- Experiment 50
- Experiment 51
- Experiment 52
- Experiment 53
- Experiment 54
- Experiment 55
- Experiment 56
- Experiment 57
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- Experiment 81
- Experiment 82
- Experiment 83
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- Experiment 85
- Experiment 86
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- Experiment 449
- Experiment 450
- Experiment 451
- Experiment 452
- Experiment 453
- Experiment 454
Africa