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Nāsriganj

25.051° N   84.328° E  ·  102 M
49 /100
PEAK
Marginal, but there is a 3 hours gap from 01:30.
BEST WINDOW 01:30–04:30 · ASTRO DARK 22:30–04:30 · MOON 0%
Transparency
0.21
Seeing
1.00
Cloud
38%
Moon
0%

Fair tonight

Hour by hour, local to Nāsriganj. 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
14
30
32
48
46
49
14
0
BEST WINDOW
Low cloud
40%
1%
1%
5%
6%
2%
9%
12%
Mid cloud
25%
5%
4%
14%
9%
5%
20%
30%
High cloud
98%
98%
92%
27%
40%
33%
88%
81%
Transparency
0.10
0.21
0.20
0.19
0.20
0.10
0.10
0.10
Seeing
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.98
Moon clear
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
22 Clouded out · 14/100
Starting from
100
Cloud
−78
Transparency
−8
Seeing
−0
Moonlight
−0
Darkness
−0
Score
14
CLOUD 99% LOW 40% MID 25% HIGH 98% SUN -44.6° MOON -43.2° / 0% WIND 2 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.

SET UP 01:00 · OBSERVE 01:30–04:30 · 3H · MEAN 47

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

22000204
HIGH CLOUD CLEARS 01:30CLOUD RETURNS 04:30
SET UP 23:00 · OBSERVE 23:30–04:30 · 5H · MEAN 51

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

22000204
CLOUD RETURNS 04:30MOONLIGHT IGNORED FOR THIS TARGET
SET UP 01:00 · OBSERVE 01:30–04:30 · 3H · MEAN 40

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

22000204
HIGH CLOUD CLEARS 01:30CLOUD RETURNS 04:30
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

22000204
CONDITIONS STAY BELOW THE USABLE THRESHOLD
SET UP 01:00 · OBSERVE 01:30–04:30 · 3H · MEAN 47

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

22000204
HIGH CLOUD CLEARS 01:30CLOUD RETURNS 04:30
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The next week of nights

Tonight · 12 Aug
49
Fair
MOON 0%
01:30–04:30
Tomorrow · 13 Aug
26
Poor
MOON 2%
Friday · 14 Aug
30
Poor
MOON 6%
Saturday · 15 Aug
30
Poor
MOON 13%
Sunday · 16 Aug
19
Poor
MOON 21%
Monday · 17 Aug
41
Fair
MOON 30%
23:30–00:30
Tuesday · 18 Aug
28
Poor
MOON 39%
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About this forecast

Conditions for Nāsriganj, India 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 →