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Nytva

57.938° N   55.341° E  ·  122 M
32 /100
PEAK
Nothing usable opens up tonight.
NO USABLE WINDOW · NO ASTRO DARK · MOON 0%
Transparency
0.55
Seeing
0.93
Cloud
60%
Moon
0%
At this latitude the sun never drops 18° below the horizon tonight, so astronomical darkness never arrives. Scores reflect the deepest twilight available.

Poor tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
22
23
00
01
02
03
04
05
0
3
8
15
32
5
3
0
Low cloud
19%
13%
27%
13%
3%
6%
7%
3%
Mid cloud
98%
100%
91%
85%
55%
92%
92%
40%
High cloud
82%
11%
0%
3%
11%
81%
48%
62%
Transparency
0.53
0.55
0.53
0.52
0.49
0.50
0.52
0.50
Seeing
0.94
0.93
0.92
0.92
0.89
0.90
0.88
0.88
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
22 Clouded out · 0/100
Starting from
100
Cloud
−95
Transparency
−1
Seeing
−0
Moonlight
−0
Darkness
−4
Score
0
CLOUD 100% LOW 19% MID 98% HIGH 82% SUN -6.0° MOON -4.5° / 0% WIND 3 TEMP 17°
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.

NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

22000204
CLOUD NEVER DROPS BELOW 60%
SET UP 01:30 · OBSERVE 02:00–03:00 · 1H · MEAN 38

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

22000204
CLOUD BREAKS 02:00CLOUD RETURNS 03:00MOONLIGHT IGNORED FOR THIS TARGET
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

22000204
CLOUD NEVER DROPS BELOW 60%
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

22000204
CLOUD NEVER DROPS BELOW 60%
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

22000204
CLOUD NEVER DROPS BELOW 60%
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The next week of nights

Tonight · 12 Aug
32
Poor
MOON 0%
Tomorrow · 13 Aug
41
Fair
MOON 2%
02:00–03:00
Friday · 14 Aug
27
Poor
MOON 6%
Saturday · 15 Aug
27
Poor
MOON 13%
Sunday · 16 Aug
33
Poor
MOON 21%
Monday · 17 Aug
3
Clouded out
MOON 30%
Tuesday · 18 Aug
10
Clouded out
MOON 39%
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Nearby locations

About this forecast

Conditions for Nytva, 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 →