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Caicedonia

4.332° N   75.827° W  ·  1165 M
49 /100
PEAK
Marginal, but there is a 3 hours gap from 21:00.
BEST WINDOW 21:00–00:00 · ASTRO DARK 20:00–05:00 · MOON 1%
Transparency
0.64
Seeing
1.00
Cloud
37%
Moon
1%

Fair tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
18
19
20
21
22
23
00
01
02
03
04
05
06
0
13
34
35
38
36
34
32
29
32
49
44
0
BEST WINDOW
Low cloud
0%
1%
1%
3%
2%
2%
5%
5%
1%
2%
6%
13%
9%
Mid cloud
14%
27%
13%
8%
6%
14%
34%
39%
44%
20%
8%
18%
30%
High cloud
93%
98%
100%
98%
93%
90%
67%
49%
77%
95%
63%
16%
9%
Transparency
0.75
0.64
0.62
0.60
0.58
0.57
0.58
0.29
0.58
0.60
0.62
0.59
0.58
Seeing
0.87
0.97
1.00
1.00
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
18 Clouded out · 0/100
Starting from
100
Cloud
−57
Transparency
−4
Seeing
−1
Moonlight
−0
Darkness
−37
Score
0
CLOUD 94% LOW 0% MID 14% HIGH 93% SUN 3.2° MOON 7.5° / 0% WIND 3 TEMP 26°
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 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 42

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

18202200020406
HIGH CLOUD CLEARS 04:00TWILIGHT BEGINS 06:00
SET UP 19:30 · OBSERVE 20:00–02:00 · 6H · MEAN 37

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

18202200020406
ASTRONOMICAL DARK FROM 20:00CLOUD RETURNS 02:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 38

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

18202200020406
HIGH CLOUD CLEARS 04:00TWILIGHT BEGINS 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.

18202200020406
CONDITIONS STAY BELOW THE USABLE THRESHOLD
SET UP 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 39

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

18202200020406
HIGH CLOUD CLEARS 04:00TWILIGHT BEGINS 06:00
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The next week of nights

Tonight · 12 Aug
49
Fair
MOON 0%
21:00–00:00
Tomorrow · 13 Aug
69
Good
MOON 3%
02:00–05:00
Friday · 14 Aug
48
Fair
MOON 7%
20:00–21:00
Saturday · 15 Aug
0
Clouded out
MOON 15%
Sunday · 16 Aug
3
Clouded out
MOON 23%
Monday · 17 Aug
16
Poor
MOON 32%
Tuesday · 18 Aug
18
Poor
MOON 42%
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Nearby locations

About this forecast

Conditions for Caicedonia, Colombia 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 →