GoodSeeing
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Āsela

7.950° N   39.133° E  ·  2442 M
38 /100
PEAK
Marginal, but there is a 2 hours gap from 21:00.
BEST WINDOW 21:00–23:00 · ASTRO DARK 21:00–06:00 · MOON 0%
Transparency
0.36
Seeing
0.93
Cloud
51%
Moon
0%

Fair tonight

Hour by hour, local to Āsela. 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
38
38
29
31
19
24
25
5
6
0
BEST WINDOW
Low cloud
10%
27%
22%
9%
17%
15%
10%
9%
2%
0%
Mid cloud
20%
7%
7%
15%
45%
27%
38%
100%
100%
100%
High cloud
43%
28%
67%
84%
86%
88%
63%
13%
8%
10%
Transparency
0.30
0.34
0.33
0.35
0.36
0.36
0.10
0.10
0.10
0.27
Seeing
0.73
0.76
0.82
0.89
0.87
0.91
0.93
0.86
0.92
0.93
Moon clear
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
21 Fair · 38/100
Starting from
100
Cloud
−44
Transparency
−16
Seeing
−3
Moonlight
−0
Darkness
−0
Score
38
CLOUD 59% LOW 10% MID 20% HIGH 43% SUN -33.4° MOON -31.6° / 0% WIND 5 TEMP 13°
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
When a clear gap is worth driving for

Ask how long the gap is relative to your setup time and your exposure length. A two-hour gap is a real session for a visual observer and close to worthless for someone doing four-minute subs on a target that needs three hours.

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 20:30 · OBSERVE 21:00–23:00 · 2H · MEAN 38

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

2123010305
CLOUD RETURNS 23:00
SET UP 20:30 · OBSERVE 21:00–23:00 · 2H · MEAN 42

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

2123010305
CLOUD RETURNS 23:00MOONLIGHT IGNORED FOR THIS TARGET
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

2123010305
CLOUD NEVER DROPS BELOW 51%
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

2123010305
CLOUD NEVER DROPS BELOW 51%
SET UP 20:30 · OBSERVE 21:00–23:00 · 2H · MEAN 37

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

2123010305
CLOUD RETURNS 23:00
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The next week of nights

Tonight · 12 Aug
38
Fair
MOON 0%
21:00–23:00
Tomorrow · 13 Aug
51
Fair
MOON 2%
22:00–02:00
Friday · 14 Aug
36
Fair
MOON 6%
21:00–22:00
Saturday · 15 Aug
67
Good
MOON 13%
21:00–22:00
Sunday · 16 Aug
55
Good
MOON 21%
21:00–22:00
Monday · 17 Aug
65
Good
MOON 30%
21:00–22:00
Tuesday · 18 Aug
65
Good
MOON 39%
21:00–22:00
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Nearby locations

About this forecast

Conditions for Āsela, 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 →