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Novoul’yanovsk

54.148° N   48.386° E  ·  78 M
64 /100
PEAK
Worth setting up — 4 hours of workable sky from 23:00.
BEST WINDOW 23:00–03:00 · ASTRO DARK 00:00–03:00 · MOON 0%
Transparency
0.23
Seeing
0.94
Cloud
1%
Moon
0%

Good tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
21
22
23
00
01
02
03
04
05
0
6
43
55
61
64
51
23
0
BEST WINDOW
Low cloud
10%
9%
9%
2%
0%
0%
0%
0%
0%
Mid cloud
97%
90%
24%
16%
6%
2%
3%
1%
0%
High cloud
34%
4%
0%
0%
0%
0%
0%
0%
0%
Transparency
0.10
0.23
0.23
0.20
0.21
0.21
0.21
0.21
0.21
Seeing
1.00
0.94
0.84
0.81
0.78
0.81
0.81
0.77
0.74
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
21 Clouded out · 0/100
Starting from
100
Cloud
−91
Transparency
−3
Seeing
−0
Moonlight
−0
Darkness
−6
Score
0
CLOUD 98% LOW 10% MID 97% HIGH 34% SUN -5.2° MOON -3.5° / 0% WIND 1 TEMP 18°
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 23:00–04:00 · 5H · MEAN 55

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

2123010305
CLOUD BREAKS 23:00TWILIGHT BEGINS 04:00
SET UP 22:30 · OBSERVE 23:00–05:00 · 6H · MEAN 66

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

2123010305
CLOUD BREAKS 23:00TWILIGHT BEGINS 05:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 22:30 · OBSERVE 23:00–04:00 · 5H · MEAN 53

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

2123010305
CLOUD BREAKS 23:00TWILIGHT BEGINS 04:00
SET UP 23:30 · OBSERVE 00:00–04:00 · 4H · MEAN 46

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

2123010305
TWILIGHT BEGINS 04:00
SET UP 22:30 · OBSERVE 23:00–04:00 · 5H · MEAN 60

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

2123010305
CLOUD BREAKS 23:00TWILIGHT BEGINS 04:00
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The next week of nights

Tonight · 12 Aug
64
Good
MOON 0%
23:00–03:00
Tomorrow · 13 Aug
71
Good
MOON 2%
23:00–03:00
Friday · 14 Aug
18
Poor
MOON 6%
Saturday · 15 Aug
2
Clouded out
MOON 13%
Sunday · 16 Aug
38
Fair
MOON 21%
Monday · 17 Aug
40
Fair
MOON 30%
Tuesday · 18 Aug
47
Fair
MOON 39%
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Nearby locations

About this forecast

Conditions for Novoul’yanovsk, 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 →