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Nampula

-15.117° S   39.267° E  ·  431 M
68 /100
PEAK
Worth setting up — 5 hours of workable sky from 20:00.
BEST WINDOW 20:00–01:00 · ASTRO DARK 20:00–05:00 · MOON 0%
Transparency
0.49
Seeing
0.80
Cloud
3%
Moon
0%

Good tonight

Hour by hour, local to Nampula. 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
52
62
68
61
53
1
0
0
0
0
0
BEST WINDOW
Low cloud
13%
0%
2%
9%
17%
98%
100%
100%
100%
100%
100%
Mid cloud
20%
16%
1%
1%
1%
1%
1%
1%
0%
1%
0%
High cloud
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Transparency
0.49
0.40
0.34
0.28
0.23
0.19
0.20
0.23
0.25
0.24
0.24
Seeing
0.72
0.80
0.78
0.77
0.73
0.72
0.71
0.68
0.64
0.68
0.70
Moon clear
down
down
down
down
down
down
down
down
down
down
down
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 Fair · 52/100
Starting from
100
Cloud
−29
Transparency
−15
Seeing
−4
Moonlight
−0
Darkness
−0
Score
52
CLOUD 31% LOW 13% MID 20% HIGH 0% SUN -39.8° MOON -38.2° / 0% WIND 5 TEMP 22°
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
Conditions for planets and the Moon

Seeing is everything. Darkness and moonlight barely matter, and a hazy, humid night that ruins deep-sky work is often the steadiest night of the year for planetary detail.

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 19:30 · OBSERVE 20:00–01:00 · 5H · MEAN 61

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

202200020406
CLOUD RETURNS 01:00
SET UP 19:30 · OBSERVE 20:00–01:00 · 5H · MEAN 66

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

202200020406
CLOUD RETURNS 01:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 19:30 · OBSERVE 20:00–01:00 · 5H · MEAN 59

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

202200020406
CLOUD RETURNS 01:00
SET UP 19:30 · OBSERVE 20:00–01:00 · 5H · MEAN 48

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

202200020406
CLOUD RETURNS 01:00
SET UP 19:30 · OBSERVE 20:00–01:00 · 5H · MEAN 65

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

202200020406
CLOUD RETURNS 01:00
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The next week of nights

Tonight · 12 Aug
68
Good
MOON 0%
20:00–01:00
Tomorrow · 13 Aug
45
Fair
MOON 2%
19:00–21:00
Friday · 14 Aug
77
Excellent
MOON 6%
19:00–00:00
Saturday · 15 Aug
67
Good
MOON 13%
02:00–03:00
Sunday · 16 Aug
78
Excellent
MOON 21%
20:00–21:00
Monday · 17 Aug
73
Good
MOON 30%
20:00–21:00
Tuesday · 18 Aug
58
Good
MOON 39%
20:00–21:00
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Nearby locations

About this forecast

Conditions for Nampula, Mozambique 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 →