Dark Hours

jparise1 pts0 comments

Dark Hours, what's actually visible in your sky tonight

Sky brightness now<br>?7.33mag/arcsec²<br>naked eye to -6.3

LinesConstellationsLabels

Tonight19:45 CDT<br>Good<br>Worth going out. The window opens at 22:51.<br>Held back by light pollution, nothing much is in the way.

Score<br>?59

out of 100<br>See why ›<br>Best window<br>?22:51

until 04:21 · 5 h 30 min<br>Grade the night ›<br>Moon<br>?87%

Waning Gibbous<br>What's up ›<br>True dark<br>?5 h 36 min

0% moonless<br>Grade the night ›

20:0021:0022:0023:0000:0001:0002:0003:0004:0005:0006:00NOWMoonMilky Way coreAstronomical nightBest window19:45 · 0 this half-hour

TonightWhyOther nightsWhat's upWhere to goComing up

A night is not one thing. Grade the window you actually have.<br>20:30 – 21:10<br>Poor<br>Honestly, no. Real darkness does not start until 22:16.<br>It is not astronomically dark at any point in this window, that starts at 22:16.

Up in that window<br>?Venus13° WMilky Way coreup, but not dark yet16° SSE<br>Best moment in the window is 20:51, held back by cloud cover.

☀Sunset20:21<br>◐Civil twilight ends20:50<br>◑Nautical twilight ends21:31<br>●Astronomical night22:16 – 03:52<br>◒Nautical twilight begins04:37<br>☀Sunrise05:46

Waning Gibbous<br>87% lit · rises 21:44 · sets –<br>Of your 5 h 36 min of true dark, 0% is moonless.

dark window grade night twilight hours

Related Articles