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Baniachang

24.519° N   91.358° E  ·  14 M
34 /100
PEAK
Nothing usable opens up tonight.
NO USABLE WINDOW · ASTRO DARK 22:00–05:00 · MOON 0%
Transparency
0.24
Seeing
0.91
Cloud
66%
Moon
0%

Poor tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
22
23
00
01
02
03
04
05
06
13
22
20
5
13
25
34
2
0
Low cloud
9%
0%
8%
31%
6%
4%
10%
25%
12%
Mid cloud
59%
23%
33%
84%
59%
24%
4%
8%
2%
High cloud
96%
99%
97%
98%
98%
89%
71%
52%
34%
Transparency
0.10
0.10
0.21
0.21
0.23
0.24
0.21
0.20
0.21
Seeing
0.84
0.91
0.88
0.88
0.84
0.81
0.82
0.80
0.77
Moon clear
down
down
down
down
down
down
down
down
0%
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
22 Clouded out · 13/100
Starting from
100
Cloud
−80
Transparency
−7
Seeing
−1
Moonlight
−0
Darkness
−0
Score
13
CLOUD 98% LOW 9% MID 59% HIGH 96% SUN -40.9° MOON -39.5° / 0% WIND 4 TEMP 28°
Excellent 75+ Good 55+ Fair 35+ Poor 15+ Not worth it Seeing is estimated from surface wind — see how we score.

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.

NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

2200020406
CLOUD NEVER DROPS BELOW 42%
SET UP 03:30 · OBSERVE 04:00–05:00 · 1H · MEAN 39

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

2200020406
HIGH CLOUD CLEARS 04:00TWILIGHT BEGINS 05:00MOONLIGHT IGNORED FOR THIS TARGET
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

2200020406
CLOUD NEVER DROPS BELOW 42%
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

2200020406
CLOUD NEVER DROPS BELOW 42%
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

2200020406
CLOUD NEVER DROPS BELOW 42%
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The next week of nights

Tonight · 12 Aug
34
Poor
MOON 0%
Tomorrow · 13 Aug
53
Fair
MOON 2%
20:00–23:00
Friday · 14 Aug
35
Fair
MOON 6%
20:00–21:00
Saturday · 15 Aug
21
Poor
MOON 12%
Sunday · 16 Aug
10
Clouded out
MOON 19%
Monday · 17 Aug
6
Clouded out
MOON 28%
Tuesday · 18 Aug
5
Clouded out
MOON 37%
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About this forecast

Conditions for Baniachang, Bangladesh 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 →