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Berwick

-38.033° S   145.350° E  ·  90 M
41 /100
PEAK
Marginal, but there is a 1 hour gap from 05:00.
BEST WINDOW 05:00–06:00 · ASTRO DARK 02:00–06:00 · MOON 0%
Transparency
0.19
Seeing
0.75
Cloud
34%
Moon
0%

Fair tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
02
03
04
05
06
07
31
28
29
41
0
0
BEST WINDOW
Low cloud
45%
47%
53%
34%
100%
100%
Mid cloud
13%
18%
2%
1%
9%
30%
High cloud
0%
0%
0%
0%
0%
0%
Transparency
0.19
0.19
0.19
0.18
0.18
0.20
Seeing
0.75
0.72
0.72
0.72
0.70
0.70
Moon clear
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
02 Poor · 31/100
Starting from
100
Cloud
−51
Transparency
−16
Seeing
−2
Moonlight
−0
Darkness
−0
Score
31
CLOUD 49% LOW 45% MID 13% HIGH 0% SUN -58.7° MOON -60.1° / 0% WIND 5 TEMP 9°
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 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 43

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

020406
CLOUD BREAKS 05:00CLOUD RETURNS 06:00
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 47

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

020406
CLOUD BREAKS 05:00CLOUD RETURNS 06:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 40

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

020406
CLOUD BREAKS 05:00CLOUD RETURNS 06:00
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

020406
CONDITIONS STAY BELOW THE USABLE THRESHOLD
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 44

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

020406
CLOUD BREAKS 05:00CLOUD RETURNS 06:00
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The next week of nights

Tonight · 12 Aug
41
Fair
MOON 0%
05:00–06:00
Tomorrow · 13 Aug
65
Good
MOON 1%
22:00–04:00
Friday · 14 Aug
52
Fair
MOON 5%
21:00–00:00
Saturday · 15 Aug
65
Good
MOON 8%
22:00–23:00
Sunday · 16 Aug
65
Good
MOON 19%
22:00–23:00
Monday · 17 Aug
67
Good
MOON 28%
04:00–05:00
Tuesday · 18 Aug
66
Good
MOON 37%
22:00–23:00
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Nearby locations

About this forecast

Conditions for Berwick, Victoria, Australia 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 →