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RMNP Map

Moon Position

Have you ever wished you could get lucky enough to capture one of those photographs with the moon perfectly positioned over your favorite mountain scene?  Rather than just hoping for good luck, you can use this moon position calculator to plan your photograph.  Enter the date you're interested in, and the position of the moon is shown for times around sunrise and sunset.

Times near sunrise and sunset were chosen to optimize the brightness of the moon relative to the surrounding landscape.  More than 1/2 hour before sunrise and 1/2 hour after sunset, the landscape will be very dark.  More than 1/2 hour after sunrise and 1/2 hour before sunset, the moon will be washed out in the bright sky.
MonthDayYear 
  
Invalid entries are changed to values corresponding to today's date.

Date: 9-22-2017
The moon is 7% full.

Sunrise occurs at 6:50 RMNP time.
Sun azimuth at sunrise is 89.2 degrees.
Moon position around sunrise.
Moon PositionAzimuthElevation
1/2 hour before sunrise69.9-31.7
At sunrise75.6-26.5
1/2 hour after sunrise80.8-21.2
1 hour after sunrise85.8-15.7
 Sunset occurs at 18:59 RMNP time.
Sun azimuth at sunset is 270.7 degrees.
Moon position around sunset.
Moon PositionAzimuthElevation
1 hour before sunset230.026.3
1/2 hour before sunset236.221.8
At sunset241.917.0
1/2 hour after sunset247.211.9

Help!  What do I do with all these numbers?  Show me an example.
 When will the moon be full?  Show me a moon phase calendar.


Latitude: 40.313    Longitude: -105.65    (RMNP)
GMT offset: 6 hours
Azimuth is in degrees and relative to true north.
Elevation is in degrees.
Negative elevations are below the horizon.


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