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Rangpur

25.747° N   89.252° E  ·  36 M
41 /100
PEAK
Marginal, but there is a 1 hour gap from 03:00.
BEST WINDOW 03:00–04:00 · ASTRO DARK 22:00–05:00 · MOON 0%
Transparency
0.37
Seeing
0.97
Cloud
71%
Moon
0%

Fair tonight

Hour by hour, local to Rangpur. 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
26
25
34
32
32
41
34
6
0
BEST WINDOW
Low cloud
0%
0%
1%
2%
4%
10%
6%
0%
9%
Mid cloud
24%
30%
5%
2%
3%
0%
0%
0%
0%
High cloud
98%
97%
92%
97%
93%
67%
90%
97%
77%
Transparency
0.35
0.34
0.32
0.30
0.33
0.37
0.35
0.35
0.36
Seeing
0.97
0.94
0.94
0.92
0.81
0.85
0.90
0.88
0.83
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 Poor · 26/100
Starting from
100
Cloud
−64
Transparency
−9
Seeing
−0
Moonlight
−0
Darkness
−0
Score
26
CLOUD 98% LOW 0% MID 24% HIGH 98% SUN -38.7° MOON -37.3° / 0% WIND 2 TEMP 29°
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.

SET UP 02:30 · OBSERVE 03:00–04:00 · 1H · MEAN 39

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

2200020406
HIGH CLOUD CLEARS 03:00CLOUD RETURNS 04:00
SET UP 02:30 · OBSERVE 03:00–05:00 · 2H · MEAN 41

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

2200020406
HIGH CLOUD CLEARS 03:00TWILIGHT 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 71%
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 71%
SET UP 02:30 · OBSERVE 03:00–04:00 · 1H · MEAN 37

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

2200020406
HIGH CLOUD CLEARS 03:00CLOUD RETURNS 04:00
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The next week of nights

Tonight · 12 Aug
41
Fair
MOON 0%
03:00–04:00
Tomorrow · 13 Aug
40
Fair
MOON 2%
22:00–23:00
Friday · 14 Aug
31
Poor
MOON 6%
Saturday · 15 Aug
0
Clouded out
MOON 12%
Sunday · 16 Aug
23
Poor
MOON 19%
Monday · 17 Aug
2
Clouded out
MOON 28%
Tuesday · 18 Aug
19
Poor
MOON 37%
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Nearby locations

About this forecast

Conditions for Rangpur, 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 →