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Partūr

19.599° N   76.215° E  ·  453 M
37 /100
PEAK
Marginal, but there is a 1 hour gap from 03:30.
BEST WINDOW 03:30–04:30 · ASTRO DARK 22:30–05:30 · MOON 0%
Transparency
0.26
Seeing
0.92
Cloud
66%
Moon
0%

Fair tonight

Hour by hour, local to Partūr. 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
14
30
28
27
33
37
33
5
0
BEST WINDOW
Low cloud
0%
0%
1%
1%
1%
1%
2%
11%
10%
Mid cloud
60%
6%
26%
18%
3%
22%
40%
56%
99%
High cloud
91%
88%
73%
84%
89%
58%
44%
56%
38%
Transparency
0.10
0.10
0.10
0.10
0.25
0.26
0.25
0.25
0.27
Seeing
0.79
0.76
0.79
0.80
0.80
0.89
0.92
0.91
0.89
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 · 14/100
Starting from
100
Cloud
−77
Transparency
−8
Seeing
−1
Moonlight
−0
Darkness
−0
Score
14
CLOUD 92% LOW 0% MID 60% HIGH 91% SUN -44.5° MOON -43.0° / 0% WIND 4 TEMP 25°
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 03:00 · OBSERVE 03:30–04:30 · 1H · MEAN 36

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

2200020406
HIGH CLOUD CLEARS 03:30
SET UP 02:00 · OBSERVE 02:30–05:30 · 3H · MEAN 39

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

2200020406
CLOUD RETURNS 05:30MOONLIGHT 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.

2200020406
CLOUD NEVER DROPS BELOW 66%
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 66%
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 66%
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The next week of nights

Tonight · 12 Aug
37
Fair
MOON 0%
03:30–04:30
Tomorrow · 13 Aug
32
Poor
MOON 2%
Friday · 14 Aug
31
Poor
MOON 6%
Saturday · 15 Aug
28
Poor
MOON 13%
Sunday · 16 Aug
0
Clouded out
MOON 21%
Monday · 17 Aug
0
Clouded out
MOON 30%
Tuesday · 18 Aug
46
Fair
MOON 39%
23:30–00:30
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About this forecast

Conditions for Partūr, 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 →