Roque de los Muchachos stargazing in July 2027
Protected by a "Sky Law" since 1988. Many official viewpoints (miradores astronómicos).
Thu 1 Jul to Sat 31 Jul 2027
Best night: Sat 31 July 2027
Dark from 22:32 to 06:04 · 7.7 h without the moon · Milky Way core: 4.8 h
| Night of | Moon | Dark hours | Moon-free | Milky Way core | Score |
|---|---|---|---|---|---|
| Thu 1 Jul | 6% | 7.0 | 6.5 | 6.5 h | 96 |
| Fri 2 Jul | 2% | 7.0 | 7.0 | 6.3 h | 97 |
| Sat 3 Jul | 0% | 7.0 | 7.0 | 6.3 h | 97 |
| Sun 4 Jul | 1% | 7.0 | 7.0 | 6.3 h | 97 |
| Mon 5 Jul | 5% | 7.0 | 7.0 | 6.2 h | 97 |
| Tue 6 Jul | 11% | 7.0 | 6.3 | 5.5 h | 96 |
| Wed 7 Jul | 19% | 7.0 | 5.7 | 4.8 h | 94 |
| Thu 8 Jul | 29% | 7.2 | 5.3 | 4.2 h | 91 |
| Fri 9 Jul | 40% | 7.2 | 4.7 | 3.5 h | 85 |
| Sat 10 Jul | 51% | 7.2 | 4.2 | 2.8 h | 79 |
| Sun 11 Jul | 62% | 7.2 | 3.5 | 2.2 h | 70 |
| Mon 12 Jul | 72% | 7.2 | 2.8 | 1.5 h | 60 |
| Tue 13 Jul | 81% | 7.2 | 2.2 | 0.7 h | 49 |
| Wed 14 Jul | 88% | 7.2 | 1.3 | moonlit only | 36 |
| Thu 15 Jul | 94% | 7.2 | 0.5 | moonlit only | 23 |
| Fri 16 Jul | 98% | 7.2 | 0.0 | moonlit only | 14 |
| Sat 17 Jul | 100% | 7.3 | 0.0 | moonlit only | 13 |
| Sun 18 Jul | 100% | 7.3 | 0.0 | moonlit only | 12 |
| Mon 19 Jul | 98% | 7.3 | 0.0 | moonlit only | 14 |
| Tue 20 Jul | 95% | 7.3 | 0.0 | moonlit only | 16 |
| Wed 21 Jul | 90% | 7.3 | 0.3 | moonlit only | 24 |
| Thu 22 Jul | 84% | 7.3 | 0.8 | 0.8 h | 34 |
| Fri 23 Jul | 76% | 7.3 | 1.2 | 1.2 h | 43 |
| Sat 24 Jul | 67% | 7.5 | 1.8 | 1.8 h | 55 |
| Sun 25 Jul | 57% | 7.5 | 2.3 | 2.3 h | 64 |
| Mon 26 Jul | 46% | 7.5 | 3.0 | 3.0 h | 74 |
| Tue 27 Jul | 35% | 7.5 | 3.7 | 3.7 h | 82 |
| Wed 28 Jul | 25% | 7.5 | 4.5 | 4.5 h | 89 |
| Thu 29 Jul | 16% | 7.5 | 5.5 | 4.8 h | 94 |
| Fri 30 Jul | 8% | 7.7 | 6.7 | 4.8 h | 97 |
| Sat 31 Jul | 3% | 7.7 | 7.7 | 4.8 h | 98 |
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Questions
What is the best night for stargazing at Roque de los Muchachos in July 2027?
The best nights are Sat 31 Jul, Fri 2 Jul, Sat 3 Jul, Sun 4 Jul, Mon 5 Jul, when the sky is fully dark and the moon is down for most of the night.
Can you see the Milky Way core at Roque de los Muchachos in July?
Yes, on 23 nights the galactic centre is above 10° during moon-free darkness, up to 6.5 hours a night.
Roque de los Muchachos stargazing by month
Weather is not included. Times are local (Atlantic/Canary).