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Hadero

7.200° N   37.667° E  ·  1635 M
63 /100
PEAK
Worth setting up — 6 hours of workable sky from 00:00.
BEST WINDOW 00:00–06:00 · ASTRO DARK 21:00–06:00 · MOON 0%
Transparency
0.31
Seeing
1.00
Cloud
12%
Moon
0%

Good tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
21
22
23
00
01
02
03
04
05
06
07
23
39
30
51
45
42
46
55
63
2
0
BEST WINDOW
Low cloud
1%
0%
0%
0%
0%
0%
0%
1%
0%
2%
11%
Mid cloud
53%
38%
56%
12%
7%
18%
27%
19%
9%
6%
13%
High cloud
69%
34%
28%
38%
60%
55%
27%
10%
4%
45%
25%
Transparency
0.28
0.30
0.30
0.30
0.31
0.30
0.28
0.26
0.26
0.30
0.35
Seeing
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
Moon clear
down
down
down
down
down
down
down
down
down
down
0%
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
21 Poor · 23/100
Starting from
100
Cloud
−68
Transparency
−9
Seeing
−0
Moonlight
−0
Darkness
−0
Score
23
CLOUD 86% LOW 1% MID 53% HIGH 69% SUN -32.4° MOON -30.5° / 0% WIND 1 TEMP 18°
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 23:30 · OBSERVE 00:00–06:00 · 6H · MEAN 49

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

212301030507
CLOUD BREAKS 00:00CLOUD RETURNS 06:00
SET UP 21:30 · OBSERVE 22:00–06:00 · 8H · MEAN 56

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

212301030507
HIGH CLOUD CLEARS 22:00CLOUD RETURNS 06:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 02:30 · OBSERVE 03:00–06:00 · 3H · MEAN 49

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

212301030507
HIGH CLOUD CLEARS 03:00CLOUD RETURNS 06:00
SET UP 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 44

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

212301030507
HIGH CLOUD CLEARS 04:00CLOUD RETURNS 06:00
SET UP 23:30 · OBSERVE 00:00–06:00 · 6H · MEAN 49

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

212301030507
CLOUD BREAKS 00:00CLOUD RETURNS 06:00
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The next week of nights

Tonight · 12 Aug
63
Good
MOON 0%
00:00–06:00
Tomorrow · 13 Aug
36
Fair
MOON 2%
01:00–02:00
Friday · 14 Aug
47
Fair
MOON 6%
05:00–06:00
Saturday · 15 Aug
26
Poor
MOON 13%
Sunday · 16 Aug
51
Fair
MOON 21%
03:00–04:00
Monday · 17 Aug
53
Fair
MOON 30%
03:00–04:00
Tuesday · 18 Aug
61
Good
MOON 39%
21:00–22:00
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Nearby locations

About this forecast

Conditions for Hadero, Ethiopia 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 →