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Lyantonde

-0.403° S   31.157° E  ·  1261 M
72 /100
PEAK
Worth setting up — 6 hours of workable sky from 21:00.
BEST WINDOW 21:00–03:00 · ASTRO DARK 21:00–06:00 · MOON 0%
Transparency
0.59
Seeing
1.00
Cloud
7%
Moon
0%

Good tonight

Hour by hour, local to Lyantonde. 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
52
72
68
53
55
52
42
19
18
20
2
0
BEST WINDOW
Low cloud
0%
0%
0%
0%
0%
0%
1%
27%
29%
36%
83%
98%
Mid cloud
5%
2%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
High cloud
3%
5%
13%
48%
41%
50%
70%
90%
88%
60%
13%
7%
Transparency
0.59
0.44
0.36
0.30
0.29
0.28
0.23
0.18
0.17
0.16
0.16
0.17
Seeing
0.80
0.90
0.97
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.93
0.99
Moon clear
down
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
−6
Transparency
−16
Seeing
−4
Moonlight
−0
Darkness
−22
Score
52
CLOUD 7% LOW 0% MID 5% HIGH 3% SUN -14.4° MOON -13.2° / 0% WIND 4 TEMP 22°
Excellent 75+ Good 55+ Fair 35+ Poor 15+ Not worth it Seeing is estimated from surface wind — see how we score.

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 20:00–03:00 · 7H · MEAN 54

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

202200020406
CLOUD RETURNS 03:00
SET UP 19:30 · OBSERVE 20:00–03:00 · 7H · MEAN 67

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

202200020406
CLOUD RETURNS 03:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 19:30 · OBSERVE 20:00–02:00 · 6H · MEAN 52

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

202200020406
CLOUD RETURNS 02:00
SET UP 19:30 · OBSERVE 20:00–23:00 · 3H · MEAN 52

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

202200020406
CLOUD RETURNS 23:00
SET UP 19:30 · OBSERVE 20:00–03:00 · 7H · MEAN 55

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

202200020406
CLOUD RETURNS 03:00
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The next week of nights

Tonight · 12 Aug
72
Good
MOON 0%
21:00–03:00
Tomorrow · 13 Aug
85
Excellent
MOON 2%
21:00–03:00
Friday · 14 Aug
79
Excellent
MOON 6%
21:00–03:00
Saturday · 15 Aug
85
Excellent
MOON 13%
21:00–22:00
Sunday · 16 Aug
73
Good
MOON 21%
03:00–04:00
Monday · 17 Aug
66
Good
MOON 30%
21:00–22:00
Tuesday · 18 Aug
66
Good
MOON 39%
21:00–22:00
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Nearby locations

About this forecast

Conditions for Lyantonde, Uganda 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 →