GoodSeeing
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Puerto del Carmen

28.923° N   13.666° W  ·  44 M
50 /100
PEAK
Marginal, but there is a 8 hours gap from 23:00.
BEST WINDOW 23:00–07:00 · ASTRO DARK 23:00–06:00 · MOON 0%
Transparency
0.37
Seeing
0.37
Cloud
18%
Moon
0%

Fair tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
21
22
23
00
01
02
03
04
05
06
07
0
29
41
43
45
50
45
44
35
36
0
BEST WINDOW
Low cloud
60%
49%
33%
31%
27%
18%
24%
26%
41%
36%
35%
Mid cloud
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
High cloud
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Transparency
0.39
0.37
0.35
0.35
0.34
0.30
0.27
0.25
0.26
0.28
0.27
Seeing
0.23
0.27
0.29
0.33
0.35
0.36
0.36
0.37
0.35
0.33
0.34
Moon clear
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
21 Clouded out · 0/100
Starting from
100
Cloud
−60
Transparency
−10
Seeing
−6
Moonlight
−0
Darkness
−24
Score
0
CLOUD 60% LOW 60% MID 0% HIGH 0% SUN -5.4° MOON -2.4° / 0% WIND 10 TEMP 23°
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
What the GoodSeeing score actually measures

One number from 0 to 100 per hour, combining cloud, transparency, seeing, moonlight and darkness. Cloud gates everything else — no amount of steady, dark air rescues an overcast sky.

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 22:30 · OBSERVE 23:00–07:00 · 8H · MEAN 47

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

212301030507
CLOUD BREAKS 23:00TWILIGHT BEGINS 07:00
SET UP 22:30 · OBSERVE 23:00–07:00 · 8H · MEAN 42

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

212301030507
CLOUD BREAKS 23:00TWILIGHT BEGINS 07:00SEEING STAYS SOFT THROUGHOUT
SET UP 22:30 · OBSERVE 23:00–07:00 · 8H · MEAN 46

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

212301030507
CLOUD BREAKS 23:00TWILIGHT BEGINS 07:00
SET UP 00:30 · OBSERVE 01:00–04:00 · 3H · MEAN 38

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

212301030507
SET UP 22:30 · OBSERVE 23:00–07:00 · 8H · MEAN 50

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

212301030507
CLOUD BREAKS 23:00TWILIGHT BEGINS 07:00
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The next week of nights

Tonight · 12 Aug
50
Fair
MOON 0%
23:00–07:00
Tomorrow · 13 Aug
44
Fair
MOON 2%
02:00–07:00
Friday · 14 Aug
44
Fair
MOON 6%
02:00–05:00
Saturday · 15 Aug
38
Fair
MOON 13%
01:00–02:00
Sunday · 16 Aug
49
Fair
MOON 21%
01:00–02:00
Monday · 17 Aug
70
Good
MOON 30%
01:00–02:00
Tuesday · 18 Aug
73
Good
MOON 39%
01:00–02:00
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Nearby locations

About this forecast

Conditions for Puerto del Carmen, Spain 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 →