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Zelenogorsk

56.109° N   94.587° E  ·  187 M
59 /100
PEAK
Worth setting up — 3 hours of workable sky from 00:00.
BEST WINDOW 00:00–03:00 · ASTRO DARK 00:00–02:00 · MOON 0%
Transparency
0.39
Seeing
0.91
Cloud
21%
Moon
0%

Good tonight

Hour by hour, local to Zelenogorsk. 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
28
49
44
59
27
6
0
BEST WINDOW
Low cloud
0%
0%
0%
0%
0%
0%
0%
Mid cloud
0%
0%
0%
0%
0%
0%
0%
High cloud
94%
56%
67%
21%
75%
100%
96%
Transparency
0.39
0.34
0.32
0.31
0.31
0.29
0.28
Seeing
0.87
0.87
0.88
0.88
0.91
0.90
0.90
Moon clear
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 Poor · 28/100
Starting from
100
Cloud
−52
Transparency
−12
Seeing
−1
Moonlight
−0
Darkness
−7
Score
28
CLOUD 94% LOW 0% MID 0% HIGH 94% SUN -15.5° MOON -14.2° / 0% WIND 3 TEMP 16°
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 23:30 · OBSERVE 00:00–03:00 · 3H · MEAN 49

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

23010305
HIGH CLOUD CLEARS 00:00CLOUD RETURNS 03:00
SET UP 22:30 · OBSERVE 23:00–04:00 · 5H · MEAN 51

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

23010305
CLOUD RETURNS 04:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 01:30 · OBSERVE 02:00–03:00 · 1H · MEAN 52

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

23010305
HIGH CLOUD CLEARS 02:00CLOUD RETURNS 03:00
SET UP 01:30 · OBSERVE 02:00–03:00 · 1H · MEAN 42

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

23010305
HIGH CLOUD CLEARS 02:00CLOUD RETURNS 03:00
SET UP 23:30 · OBSERVE 00:00–03:00 · 3H · MEAN 49

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

23010305
HIGH CLOUD CLEARS 00:00CLOUD RETURNS 03:00
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The next week of nights

Tonight · 12 Aug
59
Good
MOON 0%
00:00–03:00
Tomorrow · 13 Aug
46
Fair
MOON 1%
00:00–01:00
Friday · 14 Aug
42
Fair
MOON 5%
01:00–03:00
Saturday · 15 Aug
51
Fair
MOON 10%
01:00–02:00
Sunday · 16 Aug
67
Good
MOON 19%
01:00–02:00
Monday · 17 Aug
68
Good
MOON 28%
01:00–02:00
Tuesday · 18 Aug
74
Good
MOON 37%
01:00–02:00
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Nearby locations

About this forecast

Conditions for Zelenogorsk, 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 →