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Santa Bárbara

7.814° N   71.178° W  ·  187 M
54 /100
PEAK
Marginal, but there is a 1 hour gap from 05:00.
BEST WINDOW 05:00–06:00 · ASTRO DARK 21:00–06:00 · MOON 0%
Transparency
0.31
Seeing
1.00
Cloud
16%
Moon
0%

Fair tonight

Hour by hour, local to Santa Bárbara. 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
4
31
23
31
16
32
31
25
19
54
19
0
BEST WINDOW
Low cloud
3%
4%
6%
12%
11%
52%
16%
5%
19%
40%
17%
12%
9%
Mid cloud
63%
91%
6%
23%
6%
27%
7%
2%
7%
9%
1%
2%
1%
High cloud
98%
97%
95%
85%
74%
60%
72%
92%
94%
89%
6%
3%
20%
Transparency
0.34
0.31
0.29
0.10
0.10
0.10
0.18
0.18
0.18
0.18
0.19
0.19
0.19
Seeing
1.00
1.00
1.00
0.84
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
Moon clear
0%
down
down
down
down
down
down
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
19 Clouded out · 0/100
Starting from
100
Cloud
−81
Transparency
−5
Seeing
−0
Moonlight
−0
Darkness
−14
Score
0
CLOUD 99% LOW 3% MID 63% HIGH 98% SUN -0.4° MOON 4.0° / 0% WIND 1 TEMP 27°
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 53

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

19212301030507
HIGH CLOUD CLEARS 05:00TWILIGHT BEGINS 06:00
SET UP 04:30 · OBSERVE 05:00–07:00 · 2H · MEAN 62

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

19212301030507
HIGH CLOUD CLEARS 05:00TWILIGHT BEGINS 07:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 49

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

19212301030507
HIGH CLOUD CLEARS 05:00TWILIGHT BEGINS 06:00
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 38

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

19212301030507
HIGH CLOUD CLEARS 05:00TWILIGHT BEGINS 06:00
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 55

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

19212301030507
HIGH CLOUD CLEARS 05:00TWILIGHT BEGINS 06:00
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The next week of nights

Tonight · 12 Aug
54
Fair
MOON 0%
05:00–06:00
Tomorrow · 13 Aug
28
Poor
MOON 3%
Friday · 14 Aug
23
Poor
MOON 7%
Saturday · 15 Aug
21
Poor
MOON 15%
Sunday · 16 Aug
1
Clouded out
MOON 23%
Monday · 17 Aug
27
Poor
MOON 32%
Tuesday · 18 Aug
35
Fair
MOON 42%
02:00–03:00
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Nearby locations

About this forecast

Conditions for Santa Bárbara, 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 →