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Ancien-Prozi

7.669° N   6.969° W  ·  304 M
42 /100
PEAK
Marginal, but there is a 1 hour gap from 00:00.
BEST WINDOW 00:00–01:00 · ASTRO DARK 20:00–06:00 · MOON 0%
Transparency
0.19
Seeing
1.00
Cloud
43%
Moon
0%

Fair tonight

Hour by hour, local to Ancien-Prozi. 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
0
11
41
28
17
42
1
0
2
1
0
0
BEST WINDOW
Low cloud
13%
68%
23%
50%
65%
13%
98%
100%
92%
96%
98%
32%
Mid cloud
2%
13%
4%
2%
3%
4%
3%
6%
11%
21%
19%
30%
High cloud
77%
67%
23%
25%
47%
43%
73%
60%
91%
93%
93%
59%
Transparency
0.10
0.10
0.10
0.18
0.18
0.18
0.19
0.19
0.19
0.19
0.19
0.19
Seeing
0.95
0.88
1.00
0.92
0.95
0.89
0.90
0.93
0.95
0.95
0.93
0.91
Moon clear
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
−51
Transparency
−18
Seeing
−0
Moonlight
−0
Darkness
−31
Score
0
CLOUD 81% LOW 13% MID 2% HIGH 77% SUN -4.4° MOON -1.4° / 0% WIND 3 TEMP 24°
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 23:30 · OBSERVE 00:00–01:00 · 1H · MEAN 41

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

192123010305
CLOUD BREAKS 00:00CLOUD RETURNS 01:00
SET UP 20:30 · OBSERVE 21:00–22:00 · 1H · MEAN 53

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

192123010305
HIGH CLOUD CLEARS 21:00CLOUD RETURNS 22:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 20:30 · OBSERVE 21:00–22:00 · 1H · MEAN 35

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

192123010305
HIGH CLOUD CLEARS 21:00CLOUD RETURNS 22:00
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

192123010305
CLOUD NEVER DROPS BELOW 43%
SET UP 20:30 · OBSERVE 21:00–22:00 · 1H · MEAN 40

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

192123010305
HIGH CLOUD CLEARS 21:00CLOUD RETURNS 22:00
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The next week of nights

Tonight · 12 Aug
42
Fair
MOON 0%
00:00–01:00
Tomorrow · 13 Aug
40
Fair
MOON 2%
23:00–02:00
Friday · 14 Aug
63
Good
MOON 6%
20:00–01:00
Saturday · 15 Aug
39
Fair
MOON 13%
00:00–01:00
Sunday · 16 Aug
39
Fair
MOON 21%
00:00–01:00
Monday · 17 Aug
3
Clouded out
MOON 30%
Tuesday · 18 Aug
20
Poor
MOON 39%
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Nearby locations

About this forecast

Conditions for Ancien-Prozi, Côte d’Ivoire 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 →