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Puerto Cabello

10.473° N   68.013° W  ·  10 M
31 /100
PEAK
Nothing usable opens up tonight.
NO USABLE WINDOW · ASTRO DARK 21:00–06:00 · MOON 0%
Transparency
0.25
Seeing
0.99
Cloud
56%
Moon
0%

Poor tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
19
20
21
22
23
00
01
02
03
04
05
06
07
0
15
14
17
27
27
31
27
28
21
19
0
0
Low cloud
44%
25%
27%
25%
6%
9%
6%
24%
29%
40%
40%
36%
29%
Mid cloud
5%
8%
16%
13%
9%
10%
2%
6%
19%
15%
22%
16%
8%
High cloud
98%
96%
98%
98%
99%
97%
94%
84%
41%
43%
33%
23%
16%
Transparency
0.22
0.20
0.19
0.20
0.22
0.24
0.25
0.24
0.23
0.22
0.22
0.22
0.25
Seeing
0.88
0.87
0.81
0.88
0.95
0.96
0.97
0.99
0.98
0.95
0.94
0.94
0.93
Moon clear
0%
down
down
down
down
down
down
down
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down
down
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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
19 Clouded out · 0/100
Starting from
100
Cloud
−86
Transparency
−4
Seeing
−0
Moonlight
−0
Darkness
−9
Score
0
CLOUD 99% LOW 44% MID 5% HIGH 98% SUN -2.7° MOON 1.7° / 0% WIND 3 TEMP 28°
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.

NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

19212301030507
CLOUD NEVER DROPS BELOW 45%
SET UP 00:30 · OBSERVE 01:00–02:00 · 1H · MEAN 36

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

19212301030507
MOONLIGHT IGNORED FOR THIS TARGET
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

19212301030507
CLOUD NEVER DROPS BELOW 45%
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

19212301030507
CLOUD NEVER DROPS BELOW 45%
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

19212301030507
CLOUD NEVER DROPS BELOW 45%
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The next week of nights

Tonight · 12 Aug
31
Poor
MOON 0%
Tomorrow · 13 Aug
47
Fair
MOON 3%
02:00–04:00
Friday · 14 Aug
6
Clouded out
MOON 7%
Saturday · 15 Aug
38
Fair
MOON 15%
02:00–03:00
Sunday · 16 Aug
35
Fair
MOON 23%
02:00–03:00
Monday · 17 Aug
26
Poor
MOON 32%
Tuesday · 18 Aug
21
Poor
MOON 42%
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Nearby locations

About this forecast

Conditions for Puerto Cabello, Venezuela 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 →