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Monte Plata

18.808° N   69.784° W  ·  55 M
41 /100
PEAK
Marginal, but there is a 1 hour gap from 02:00.
BEST WINDOW 02:00–03:00 · ASTRO DARK 21:00–06:00 · MOON 0%
Transparency
0.17
Seeing
1.00
Cloud
34%
Moon
0%

Fair tonight

Hour by hour, local to Monte Plata. 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
14
26
34
29
33
29
41
0
16
7
0
BEST WINDOW
Low cloud
13%
6%
17%
9%
15%
12%
15%
20%
100%
4%
80%
70%
Mid cloud
28%
9%
2%
1%
1%
0%
2%
16%
47%
63%
19%
0%
High cloud
61%
96%
94%
78%
88%
81%
89%
11%
31%
73%
57%
98%
Transparency
0.20
0.16
0.17
0.17
0.17
0.17
0.17
0.10
0.10
0.10
0.10
0.16
Seeing
1.00
1.00
1.00
0.98
1.00
1.00
1.00
0.99
0.78
0.93
1.00
1.00
Moon clear
0%
down
down
down
down
down
down
down
down
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
−57
Transparency
−14
Seeing
−0
Moonlight
−0
Darkness
−29
Score
0
CLOUD 75% LOW 13% MID 28% HIGH 61% SUN 1.2° MOON 5.2° / 0% WIND 1 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 01:30 · OBSERVE 02:00–03:00 · 1H · MEAN 41

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

192123010305
HIGH CLOUD CLEARS 02:00CLOUD RETURNS 03:00
SET UP 21:30 · OBSERVE 22:00–01:00 · 3H · MEAN 38

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

192123010305
HIGH CLOUD CLEARS 22:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 01:30 · OBSERVE 02:00–03:00 · 1H · MEAN 36

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

192123010305
HIGH CLOUD CLEARS 02:00CLOUD RETURNS 03:00
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

192123010305
CONDITIONS STAY BELOW THE USABLE THRESHOLD
SET UP 01:30 · OBSERVE 02:00–03:00 · 1H · MEAN 41

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

192123010305
HIGH CLOUD CLEARS 02:00CLOUD RETURNS 03:00
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The next week of nights

Tonight · 12 Aug
41
Fair
MOON 0%
02:00–03:00
Tomorrow · 13 Aug
37
Fair
MOON 3%
04:00–06:00
Friday · 14 Aug
66
Good
MOON 7%
21:00–03:00
Saturday · 15 Aug
59
Good
MOON 15%
02:00–03:00
Sunday · 16 Aug
24
Poor
MOON 23%
Monday · 17 Aug
57
Good
MOON 32%
02:00–03:00
Tuesday · 18 Aug
58
Good
MOON 42%
02:00–03:00
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Nearby locations

About this forecast

Conditions for Monte Plata, Dominican Republic 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 →