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Kebomas

-7.167° S   112.633° E  ·  36 M
72 /100
PEAK
Worth setting up — 4 hours of workable sky from 01:00.
BEST WINDOW 01:00–05:00 · ASTRO DARK 01:00–05:00 · MOON 0%
Transparency
0.38
Seeing
1.00
Cloud
4%
Moon
0%

Good tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
01
02
03
04
05
06
72
69
61
57
21
0
BEST WINDOW
Low cloud
4%
6%
16%
22%
17%
4%
Mid cloud
0%
0%
0%
0%
0%
0%
High cloud
0%
0%
0%
0%
0%
0%
Transparency
0.38
0.36
0.32
0.31
0.30
0.30
Seeing
0.97
0.99
1.00
1.00
1.00
1.00
Moon clear
down
down
down
down
down
0%
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
01 Good · 72/100
Starting from
100
Cloud
−4
Transparency
−24
Seeing
−1
Moonlight
−0
Darkness
−0
Score
72
CLOUD 4% LOW 4% MID 0% HIGH 0% SUN -67.7° MOON -69.1° / 0% WIND 2 TEMP 25°
Excellent 75+ Good 55+ Fair 35+ Poor 15+ Not worth it Seeing is estimated from surface wind — see how we score.
Tonight's limiting factor
Conditions for planets and the Moon

Seeing is everything. Darkness and moonlight barely matter, and a hazy, humid night that ruins deep-sky work is often the steadiest night of the year for planetary detail.

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 00:30 · OBSERVE 01:00–05:00 · 4H · MEAN 65

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

010305
TWILIGHT BEGINS 05:00
SET UP 00:30 · OBSERVE 01:00–06:00 · 5H · MEAN 73

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

010305
TWILIGHT BEGINS 06:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 00:30 · OBSERVE 01:00–05:00 · 4H · MEAN 61

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

010305
TWILIGHT BEGINS 05:00
SET UP 00:30 · OBSERVE 01:00–05:00 · 4H · MEAN 52

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

010305
TWILIGHT BEGINS 05:00
SET UP 00:30 · OBSERVE 01:00–05:00 · 4H · MEAN 67

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

010305
TWILIGHT BEGINS 05:00
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The next week of nights

Tonight · 12 Aug
72
Good
MOON 0%
01:00–05:00
Tomorrow · 13 Aug
76
Excellent
MOON 1%
19:00–05:00
Friday · 14 Aug
78
Excellent
MOON 5%
19:00–01:00
Saturday · 15 Aug
69
Good
MOON 10%
01:00–02:00
Sunday · 16 Aug
72
Good
MOON 19%
19:00–20:00
Monday · 17 Aug
37
Fair
MOON 28%
19:00–20:00
Tuesday · 18 Aug
61
Good
MOON 37%
19:00–20:00
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Nearby locations

About this forecast

Conditions for Kebomas, Indonesia 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 →