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Vasil’yevo

55.830° N   48.717° E  ·  55 M
63 /100
PEAK
Worth setting up — 3 hours of workable sky from 23:00.
BEST WINDOW 23:00–02:00 · ASTRO DARK 23:00–01:00 · MOON 0%
Transparency
0.21
Seeing
0.87
Cloud
1%
Moon
0%

Good tonight

Hour by hour, local to Vasil’yevo. 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
0
11
42
56
63
63
42
16
0
BEST WINDOW
Low cloud
41%
45%
10%
6%
0%
0%
4%
0%
13%
Mid cloud
81%
27%
10%
9%
4%
2%
2%
1%
1%
High cloud
50%
0%
0%
0%
0%
0%
0%
0%
0%
Transparency
0.10
0.21
0.19
0.18
0.18
0.19
0.19
0.19
0.19
Seeing
0.82
0.82
0.84
0.82
0.86
0.87
0.84
0.85
0.85
Moon clear
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
−88
Transparency
−4
Seeing
−0
Moonlight
−0
Darkness
−7
Score
0
CLOUD 88% LOW 41% MID 81% HIGH 50% SUN -4.4° MOON -2.5° / 0% WIND 4 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.

SET UP 21:30 · OBSERVE 22:00–03:00 · 5H · MEAN 52

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

2022000204
CLOUD BREAKS 22:00TWILIGHT BEGINS 03:00
SET UP 21:30 · OBSERVE 22:00–04:00 · 6H · MEAN 67

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

2022000204
CLOUD BREAKS 22:00TWILIGHT BEGINS 04:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 21:30 · OBSERVE 22:00–03:00 · 5H · MEAN 50

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

2022000204
CLOUD BREAKS 22:00TWILIGHT BEGINS 03:00
SET UP 22:30 · OBSERVE 23:00–02:00 · 3H · MEAN 47

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

2022000204
ASTRONOMICAL DARK FROM 23:00TWILIGHT BEGINS 02:00
SET UP 21:30 · OBSERVE 22:00–03:00 · 5H · MEAN 56

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

2022000204
CLOUD BREAKS 22:00TWILIGHT BEGINS 03:00
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The next week of nights

Tonight · 12 Aug
63
Good
MOON 0%
23:00–02:00
Tomorrow · 13 Aug
60
Good
MOON 2%
00:00–02:00
Friday · 14 Aug
20
Poor
MOON 6%
Saturday · 15 Aug
0
Clouded out
MOON 13%
Sunday · 16 Aug
18
Poor
MOON 21%
Monday · 17 Aug
38
Fair
MOON 30%
Tuesday · 18 Aug
38
Fair
MOON 39%
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Nearby locations

About this forecast

Conditions for Vasil’yevo, 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 →