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Nagornyy

55.650° N   37.617° E  ·  185 M
44 /100
PEAK
Marginal, but there is a 2 hours gap from 01:00.
BEST WINDOW 01:00–03:00 · ASTRO DARK 00:00–02:00 · MOON 0%
Transparency
0.72
Seeing
0.84
Cloud
0%
Moon
0%

Fair tonight

Hour by hour, local to Nagornyy. 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
0
2
35
44
33
36
37
38
9
0
BEST WINDOW
Low cloud
8%
3%
4%
0%
2%
4%
0%
0%
0%
3%
Mid cloud
9%
11%
6%
4%
11%
12%
1%
1%
0%
2%
High cloud
0%
0%
22%
68%
98%
84%
89%
33%
0%
0%
Transparency
0.78
0.72
0.68
0.64
0.59
0.57
0.55
0.54
0.52
0.48
Seeing
0.80
0.84
0.81
0.81
0.81
0.80
0.81
0.80
0.79
0.78
Moon clear
0%
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 · 0/100
Starting from
100
Cloud
−16
Transparency
−7
Seeing
−4
Moonlight
−0
Darkness
−73
Score
0
CLOUD 10% LOW 8% MID 9% HIGH 0% SUN 0.9° MOON 2.6° / 0% WIND 4 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 22:30 · OBSERVE 23:00–00:00 · 1H · MEAN 40

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

2022000204
ASTRONOMICAL DARK FROM 23:00CLOUD RETURNS 00:00
SET UP 00:30 · OBSERVE 01:00–05:00 · 4H · MEAN 45

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
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

2022000204
CONDITIONS STAY BELOW THE USABLE THRESHOLD
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

2022000204
CONDITIONS STAY BELOW THE USABLE THRESHOLD
SET UP 22:30 · OBSERVE 23:00–00:00 · 1H · MEAN 37

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

2022000204
ASTRONOMICAL DARK FROM 23:00CLOUD RETURNS 00:00
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The next week of nights

Tonight · 12 Aug
44
Fair
MOON 0%
01:00–03:00
Tomorrow · 13 Aug
24
Poor
MOON 2%
Friday · 14 Aug
53
Fair
MOON 6%
02:00–03:00
Saturday · 15 Aug
4
Clouded out
MOON 13%
Sunday · 16 Aug
26
Poor
MOON 21%
Monday · 17 Aug
58
Good
MOON 30%
Tuesday · 18 Aug
63
Good
MOON 39%
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Nearby locations

About this forecast

Conditions for Nagornyy, 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 →