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Tobelo

1.728° N   128.010° E  ·  11 M
49 /100
PEAK
Marginal, but there is a 1 hour gap from 05:00.
BEST WINDOW 05:00–06:00 · ASTRO DARK 03:00–06:00 · MOON 0%
Transparency
0.34
Seeing
0.65
Cloud
48%
Moon
0%

Fair tonight

Hour by hour, local to Tobelo. 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
27
27
49
5
0
BEST WINDOW
Low cloud
2%
1%
0%
0%
0%
Mid cloud
9%
9%
0%
0%
0%
High cloud
99%
100%
48%
87%
84%
Transparency
0.34
0.34
0.34
0.31
0.34
Seeing
0.59
0.62
0.65
0.62
0.58
Moon clear
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
03 Poor · 27/100
Starting from
100
Cloud
−59
Transparency
−11
Seeing
−3
Moonlight
−0
Darkness
−0
Score
27
CLOUD 99% LOW 2% MID 9% HIGH 99% SUN -50.1° MOON -51.4° / 0% WIND 6 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
When a clear gap is worth driving for

Ask how long the gap is relative to your setup time and your exposure length. A two-hour gap is a real session for a visual observer and close to worthless for someone doing four-minute subs on a target that needs three hours.

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 50

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

030507
HIGH CLOUD CLEARS 05:00CLOUD RETURNS 06:00
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 51

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

030507
HIGH CLOUD CLEARS 05:00CLOUD RETURNS 06:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 43

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

030507
HIGH CLOUD CLEARS 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.

030507
CLOUD NEVER DROPS BELOW 48%
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 51

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

030507
HIGH CLOUD CLEARS 05:00CLOUD RETURNS 06:00
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The next week of nights

Tonight · 12 Aug
49
Fair
MOON 0%
05:00–06:00
Tomorrow · 13 Aug
47
Fair
MOON 1%
05:00–06:00
Friday · 14 Aug
65
Good
MOON 5%
00:00–06:00
Saturday · 15 Aug
37
Fair
MOON 8%
21:00–22:00
Sunday · 16 Aug
35
Fair
MOON 19%
03:00–04:00
Monday · 17 Aug
31
Poor
MOON 28%
Tuesday · 18 Aug
32
Poor
MOON 37%
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Nearby locations

About this forecast

Conditions for Tobelo, 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 →