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Pátzcuaro

19.513° N   101.610° W  ·  2152 M
58 /100
PEAK
Worth setting up — 3 hours of workable sky from 03:00.
BEST WINDOW 03:00–06:00 · ASTRO DARK 21:00–06:00 · MOON 1%
Transparency
0.33
Seeing
1.00
Cloud
13%
Moon
1%

Good tonight

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

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
19
20
21
22
23
00
01
02
03
04
05
06
07
0
19
32
17
6
0
21
31
38
49
58
4
0
BEST WINDOW
Low cloud
3%
3%
16%
39%
65%
100%
35%
28%
27%
16%
6%
8%
10%
Mid cloud
2%
1%
1%
9%
23%
12%
3%
1%
3%
5%
6%
3%
1%
High cloud
61%
38%
63%
48%
33%
16%
69%
37%
13%
9%
20%
2%
2%
Transparency
0.26
0.24
0.21
0.18
0.18
0.16
0.18
0.22
0.25
0.28
0.33
0.32
0.32
Seeing
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
Moon clear
0%
down
down
down
down
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
19 Clouded out · 0/100
Starting from
100
Cloud
−36
Transparency
−19
Seeing
−0
Moonlight
−0
Darkness
−45
Score
0
CLOUD 63% LOW 3% MID 2% HIGH 61% SUN 3.0° MOON 7.8° / 0% WIND 1 TEMP 17°
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 03:00–06:00 · 3H · MEAN 48

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

19212301030507
HIGH CLOUD CLEARS 03:00TWILIGHT BEGINS 06:00
SET UP 01:30 · OBSERVE 02:00–07:00 · 5H · MEAN 51

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

19212301030507
HIGH CLOUD CLEARS 02:00TWILIGHT BEGINS 07:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 48

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

19212301030507
TWILIGHT BEGINS 06:00
SET UP 04:30 · OBSERVE 05:00–06:00 · 1H · MEAN 41

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

19212301030507
TWILIGHT BEGINS 06:00
SET UP 02:30 · OBSERVE 03:00–06:00 · 3H · MEAN 47

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

19212301030507
HIGH CLOUD CLEARS 03:00TWILIGHT BEGINS 06:00
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The next week of nights

Tonight · 12 Aug
58
Good
MOON 0%
03:00–06:00
Tomorrow · 13 Aug
37
Fair
MOON 3%
05:00–06:00
Friday · 14 Aug
68
Good
MOON 7%
22:00–01:00
Saturday · 15 Aug
55
Good
MOON 15%
00:00–01:00
Sunday · 16 Aug
34
Poor
MOON 23%
Monday · 17 Aug
30
Poor
MOON 32%
Tuesday · 18 Aug
39
Fair
MOON 42%
00:00–01:00
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Nearby locations

About this forecast

Conditions for Pátzcuaro, Mexico 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 →