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Al Aaroui

35.011° N   3.009° W  ·  177 M
52 /100
PEAK
Marginal, but there is a 6 hours gap from 23:00.
BEST WINDOW 23:00–05:00 · ASTRO DARK 22:00–05:00 · MOON 0%
Transparency
0.33
Seeing
1.00
Cloud
25%
Moon
0%

Fair tonight

Hour by hour, local to Al Aaroui. Colour encodes the score and nothing else; every other measurement is luminance.

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
20
21
22
23
00
01
02
03
04
05
06
07
0
11
26
35
39
36
50
47
52
5
0
0
BEST WINDOW
Low cloud
9%
11%
15%
16%
13%
9%
9%
9%
9%
82%
100%
100%
Mid cloud
17%
2%
9%
6%
1%
2%
16%
0%
0%
4%
0%
0%
High cloud
73%
100%
89%
57%
56%
70%
6%
36%
20%
23%
66%
16%
Transparency
0.39
0.33
0.32
0.30
0.27
0.24
0.22
0.20
0.19
0.16
0.16
0.16
Seeing
0.94
0.95
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
Moon clear
0%
down
down
down
down
down
down
down
down
down
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Inspect

Cloud tracks show clear sky — a longer bar is better. The figure inside each track is the raw measurement.

Why this hour scored what it did
20 Clouded out · 0/100
Starting from
100
Cloud
−55
Transparency
−11
Seeing
−1
Moonlight
−0
Darkness
−33
Score
0
CLOUD 78% LOW 9% MID 17% HIGH 73% SUN 0.1° MOON 2.5° / 0% WIND 3 TEMP 27°
Excellent 75+ Good 55+ Fair 35+ Poor 15+ Not worth it Seeing is estimated from surface wind — see how we score.
Tonight's limiting factor
Why thin high cloud ruins long exposures

Cirrus you can barely see will halo your bright stars, lift your background and vary between frames. Visual observers shrug it off. Long exposures integrate it, so it accumulates.

What are you doing tonight?

The same forecast, weighted for the target. Planetary work barely cares about moonlight; long exposures die on high cloud a visual observer would never notice.

SET UP 01:30 · OBSERVE 02:00–05:00 · 3H · MEAN 49

Darkness and moonlight dominate. Faint fuzzies need a genuinely dark sky more than they need steady air.

202200020406
HIGH CLOUD CLEARS 02:00CLOUD RETURNS 05:00
SET UP 22:30 · OBSERVE 23:00–05:00 · 6H · MEAN 52

Seeing is everything and moonlight is irrelevant. Bright targets punch through twilight, so darkness barely counts.

202200020406
HIGH CLOUD CLEARS 23:00CLOUD RETURNS 05:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 01:30 · OBSERVE 02:00–05:00 · 3H · MEAN 43

Tolerates soft seeing, but high cloud wrecks a wide frame and moonlight raises the background everywhere.

202200020406
HIGH CLOUD CLEARS 02:00CLOUD RETURNS 05:00
SET UP 03:30 · OBSERVE 04:00–05:00 · 1H · MEAN 35

Needs conditions to hold still for hours. Sustained transparency matters more than any single good hour.

202200020406
HIGH CLOUD CLEARS 04:00CLOUD RETURNS 05:00
SET UP 01:30 · OBSERVE 02:00–05:00 · 3H · MEAN 49

Naked eye, whole sky. Total cloud and moonlight are the only things that count.

202200020406
HIGH CLOUD CLEARS 02:00CLOUD RETURNS 05:00
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The next week of nights

Tonight · 12 Aug
52
Fair
MOON 0%
23:00–05:00
Tomorrow · 13 Aug
67
Good
MOON 2%
22:00–03:00
Friday · 14 Aug
61
Good
MOON 6%
22:00–03:00
Saturday · 15 Aug
60
Good
MOON 13%
01:00–02:00
Sunday · 16 Aug
35
Fair
MOON 21%
01:00–02:00
Monday · 17 Aug
56
Good
MOON 30%
01:00–02:00
Tuesday · 18 Aug
77
Excellent
MOON 39%
01:00–02:00
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Nearby locations

About this forecast

Conditions for Al Aaroui, Morocco are computed from the MET Norway forecast model for these exact coordinates, combined with sun and moon positions we calculate directly. The score weighs cloud cover by layer, atmospheric transparency, estimated seeing, moonlight and how dark the sky actually gets. Read the full method →