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Nautanwa

27.427° N   83.418° E  ·  105 M
43 /100
PEAK
Marginal, but there is a 1 hour gap from 02:30.
BEST WINDOW 02:30–03:30 · ASTRO DARK 22:30–04:30 · MOON 0%
Transparency
0.27
Seeing
1.00
Cloud
60%
Moon
0%

Fair tonight

Hour by hour, local to Nautanwa. 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
31
36
29
30
43
28
17
0
BEST WINDOW
Low cloud
5%
0%
0%
2%
5%
6%
2%
15%
Mid cloud
2%
7%
12%
10%
2%
16%
2%
11%
High cloud
95%
81%
97%
95%
59%
91%
98%
95%
Transparency
0.22
0.23
0.23
0.24
0.23
0.27
0.26
0.10
Seeing
1.00
1.00
1.00
1.00
0.91
0.93
0.98
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 Poor · 31/100
Starting from
100
Cloud
−55
Transparency
−14
Seeing
−0
Moonlight
−0
Darkness
−0
Score
31
CLOUD 95% LOW 5% MID 2% HIGH 95% SUN -42.1° MOON -40.7° / 0% WIND 1 TEMP 29°
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 02:00 · OBSERVE 02:30–03:30 · 1H · MEAN 41

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

22000204
HIGH CLOUD CLEARS 02:30CLOUD RETURNS 03:30
SET UP 22:00 · OBSERVE 22:30–00:30 · 2H · MEAN 40

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

22000204
CLOUD RETURNS 00:30MOONLIGHT 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.

22000204
CLOUD NEVER DROPS BELOW 60%
NO USABLE WINDOW FOR THIS TARGET TONIGHT

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

22000204
CLOUD NEVER DROPS BELOW 60%
SET UP 02:00 · OBSERVE 02:30–03:30 · 1H · MEAN 40

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

22000204
HIGH CLOUD CLEARS 02:30CLOUD RETURNS 03:30
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The next week of nights

Tonight · 12 Aug
43
Fair
MOON 0%
02:30–03:30
Tomorrow · 13 Aug
30
Poor
MOON 2%
Friday · 14 Aug
32
Poor
MOON 6%
Saturday · 15 Aug
26
Poor
MOON 13%
Sunday · 16 Aug
19
Poor
MOON 21%
Monday · 17 Aug
22
Poor
MOON 30%
Tuesday · 18 Aug
37
Fair
MOON 39%
23:30–00:30
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Nearby locations

About this forecast

Conditions for Nautanwa, 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 →