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Cranbourne North

-38.078° S   145.299° E  ·  53 M
54 /100
PEAK
Marginal, but there is a 3 hours gap from 03:00.
BEST WINDOW 03:00–06:00 · ASTRO DARK 03:00–06:00 · MOON 0%
Transparency
0.29
Seeing
0.72
Cloud
15%
Moon
0%

Fair tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
03
04
05
06
07
40
44
54
0
0
BEST WINDOW
Low cloud
24%
31%
14%
99%
100%
Mid cloud
20%
2%
5%
38%
50%
High cloud
0%
0%
0%
0%
0%
Transparency
0.27
0.29
0.26
0.25
0.31
Seeing
0.66
0.68
0.72
0.72
0.66
Moon clear
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
03 Fair · 40/100
Starting from
100
Cloud
−38
Transparency
−18
Seeing
−4
Moonlight
−0
Darkness
−0
Score
40
CLOUD 31% LOW 24% MID 20% HIGH 0% SUN -48.6° MOON -50.2° / 0% WIND 5 TEMP 10°
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 02:30 · OBSERVE 03:00–06:00 · 3H · MEAN 49

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

030507
CLOUD RETURNS 06:00
SET UP 02:30 · OBSERVE 03:00–06:00 · 3H · MEAN 52

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

030507
CLOUD RETURNS 06:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 02:30 · OBSERVE 03:00–06:00 · 3H · MEAN 46

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

030507
CLOUD RETURNS 06:00
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 42

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

030507
CLOUD BREAKS 05:00CLOUD RETURNS 06:00
SET UP 02:30 · OBSERVE 03:00–06:00 · 3H · MEAN 50

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

030507
CLOUD RETURNS 06:00
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The next week of nights

Tonight · 12 Aug
54
Fair
MOON 0%
03:00–06:00
Tomorrow · 13 Aug
66
Good
MOON 1%
21:00–04:00
Friday · 14 Aug
48
Fair
MOON 5%
21:00–02:00
Saturday · 15 Aug
68
Good
MOON 8%
22:00–23:00
Sunday · 16 Aug
59
Good
MOON 19%
22:00–23:00
Monday · 17 Aug
67
Good
MOON 28%
04:00–05:00
Tuesday · 18 Aug
64
Good
MOON 37%
22:00–23:00
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Nearby locations

About this forecast

Conditions for Cranbourne North, 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 →