GoodSeeing
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Takeo

10.991° N   104.785° E  ·  12 M
74 /100
PEAK
Worth setting up — 6 hours of workable sky from 23:00.
BEST WINDOW 23:00–05:00 · ASTRO DARK 23:00–05:00 · MOON 0%
Transparency
0.52
Seeing
1.00
Cloud
2%
Moon
0%

Good tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
23
00
01
02
03
04
05
06
57
38
69
74
74
71
38
0
BEST WINDOW
Low cloud
0%
0%
0%
0%
0%
3%
2%
1%
Mid cloud
0%
0%
1%
2%
2%
2%
7%
8%
High cloud
49%
95%
19%
2%
1%
0%
1%
0%
Transparency
0.52
0.51
0.47
0.43
0.40
0.37
0.34
0.31
Seeing
0.90
0.93
0.94
0.96
0.98
1.00
1.00
1.00
Moon clear
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
23 Good · 57/100
Starting from
100
Cloud
−27
Transparency
−14
Seeing
−1
Moonlight
−0
Darkness
−0
Score
57
CLOUD 49% LOW 0% MID 0% HIGH 49% SUN -59.3° MOON -57.9° / 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.

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 00:30 · OBSERVE 01:00–05:00 · 4H · MEAN 72

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

23010305
HIGH CLOUD CLEARS 01:00TWILIGHT BEGINS 05:00
SET UP 22:30 · OBSERVE 23:00–06:00 · 7H · MEAN 72

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

23010305
TWILIGHT BEGINS 06:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 00:30 · OBSERVE 01:00–05:00 · 4H · MEAN 68

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

23010305
HIGH CLOUD CLEARS 01:00TWILIGHT BEGINS 05:00
SET UP 00:30 · OBSERVE 01:00–05:00 · 4H · MEAN 59

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

23010305
HIGH CLOUD CLEARS 01:00TWILIGHT BEGINS 05:00
SET UP 00:30 · OBSERVE 01:00–05:00 · 4H · MEAN 75

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

23010305
HIGH CLOUD CLEARS 01:00TWILIGHT BEGINS 05:00
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The next week of nights

Tonight · 12 Aug
74
Good
MOON 0%
23:00–05:00
Tomorrow · 13 Aug
46
Fair
MOON 1%
20:00–02:00
Friday · 14 Aug
30
Poor
MOON 5%
Saturday · 15 Aug
27
Poor
MOON 10%
Sunday · 16 Aug
31
Poor
MOON 19%
Monday · 17 Aug
21
Poor
MOON 28%
Tuesday · 18 Aug
8
Clouded out
MOON 37%
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About this forecast

Conditions for Takeo, Cambodia 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 →