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Prokhladnyy

43.757° N   44.030° E  ·  208 M
79 /100
PEAK
A genuinely good night — 7 hours of clear, dark sky from 21:00.
BEST WINDOW 21:00–04:00 · ASTRO DARK 22:00–04:00 · MOON 0%
Transparency
0.87
Seeing
1.00
Cloud
5%
Moon
0%

Excellent tonight

Hour by hour, local to Prokhladnyy. 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
11
59
68
73
76
79
77
67
20
0
BEST WINDOW
Low cloud
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Mid cloud
18%
12%
6%
3%
2%
3%
4%
14%
25%
33%
High cloud
53%
38%
34%
21%
15%
2%
2%
6%
42%
20%
Transparency
0.87
0.77
0.71
0.64
0.59
0.56
0.52
0.49
0.45
0.49
Seeing
0.86
0.96
1.00
1.00
1.00
1.00
1.00
1.00
0.95
0.92
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
20 Clouded out · 11/100
Starting from
100
Cloud
−41
Transparency
−3
Seeing
−2
Moonlight
−0
Darkness
−43
Score
11
CLOUD 62% LOW 0% MID 18% HIGH 53% SUN -8.4° MOON -6.9° / 0% WIND 3 TEMP 28°
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 20:30 · OBSERVE 21:00–04:00 · 7H · MEAN 70

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

2022000204
CLOUD BREAKS 21:00CLOUD RETURNS 04:00
SET UP 19:30 · OBSERVE 20:00–05:00 · 9H · MEAN 70

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

2022000204
TWILIGHT BEGINS 05:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 20:30 · OBSERVE 21:00–04:00 · 7H · MEAN 66

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

2022000204
CLOUD BREAKS 21:00CLOUD RETURNS 04:00
SET UP 20:30 · OBSERVE 21:00–04:00 · 7H · MEAN 57

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

2022000204
CLOUD BREAKS 21:00CLOUD RETURNS 04:00
SET UP 20:30 · OBSERVE 21:00–04:00 · 7H · MEAN 70

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

2022000204
CLOUD BREAKS 21:00CLOUD RETURNS 04:00
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The next week of nights

Tonight · 12 Aug
79
Excellent
MOON 0%
21:00–04:00
Tomorrow · 13 Aug
48
Fair
MOON 2%
00:00–02:00
Friday · 14 Aug
65
Good
MOON 6%
21:00–23:00
Saturday · 15 Aug
70
Good
MOON 13%
21:00–22:00
Sunday · 16 Aug
37
Fair
MOON 21%
21:00–22:00
Monday · 17 Aug
42
Fair
MOON 30%
03:00–04:00
Tuesday · 18 Aug
70
Good
MOON 39%
03:00–04:00
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Nearby locations

About this forecast

Conditions for Prokhladnyy, Russia 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 →