GoodSeeing
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Aral

46.802° N   61.663° E  ·  61 M
82 /100
PEAK
A genuinely good night — 5 hours of clear, dark sky from 23:00.
BEST WINDOW 23:00–04:00 · ASTRO DARK 23:00–04:00 · MOON 0%
Transparency
1.00
Seeing
0.92
Cloud
25%
Moon
0%

Excellent tonight

Hour by hour, local to Aral. 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
45
50
47
66
82
67
13
0
BEST WINDOW
Low cloud
0%
0%
0%
0%
0%
0%
0%
0%
Mid cloud
0%
0%
6%
21%
2%
0%
0%
6%
High cloud
97%
89%
88%
27%
23%
30%
41%
69%
Transparency
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
Seeing
0.88
0.92
0.89
0.86
0.84
0.81
0.82
0.84
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 Fair · 45/100
Starting from
100
Cloud
−53
Transparency
−0
Seeing
−1
Moonlight
−0
Darkness
−0
Score
45
CLOUD 97% LOW 0% MID 0% HIGH 97% SUN -22.7° MOON -21.5° / 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.
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 22:30 · OBSERVE 23:00–05:00 · 6H · MEAN 57

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

23010305
TWILIGHT BEGINS 05:00
SET UP 22:30 · OBSERVE 23:00–06:00 · 7H · MEAN 55

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

23010305
CLOUD RETURNS 06:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 23:30 · OBSERVE 00:00–05:00 · 5H · MEAN 55

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

23010305
TWILIGHT BEGINS 05:00
SET UP 01:30 · OBSERVE 02:00–05:00 · 3H · MEAN 60

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

23010305
HIGH CLOUD CLEARS 02:00TWILIGHT BEGINS 05:00
SET UP 22:30 · OBSERVE 23:00–05:00 · 6H · MEAN 53

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

23010305
TWILIGHT BEGINS 05:00
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The next week of nights

Tonight · 12 Aug
82
Excellent
MOON 0%
23:00–04:00
Tomorrow · 13 Aug
24
Poor
MOON 2%
Friday · 14 Aug
85
Excellent
MOON 6%
22:00–05:00
Saturday · 15 Aug
43
Fair
MOON 13%
23:00–00:00
Sunday · 16 Aug
94
Excellent
MOON 21%
23:00–00:00
Monday · 17 Aug
97
Excellent
MOON 30%
23:00–00:00
Tuesday · 18 Aug
93
Excellent
MOON 39%
23:00–00:00
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Nearby locations

About this forecast

Conditions for Aral, Kazakhstan 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 →