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The Sky and UMaine's Outdoor Lighting

 

Maine has some of the most beautiful, dark, clear skies in its rural areas. The UMaine campus is well lit at night, as you can see, so observing is limited to the brightest stars and planets.

Observatory with bright light glare

Located very close to 45 degrees latitude, the observatory view finds Polaris almost 45 degrees above the North horizon. That produces a circumpolar sky that includes stars from the North horizon to the zenith (the point directly overhead).

In Winter, low temperatures produce dry, clear air, and turbulence in the upper atmosphere causes the stars to twinkle. Some of the best viewing comes in the Spring and Fall, when the air is still. The two best months for non-cloudy skies, historically, are February and October.

 

 


 

Outdoor lighting is important for the safety of pedestrians. Unfortunately, poor outdoor lighting has been accepted for so long that even institutions of higher learning continue to install glare-producing fixtures. For information about the proper types of lighting that maximize safety and preserve the heritage of the beautiful dark sky, see the International Dark Sky Association's web site and become a member!


A non-glare model not selected by UMaine designers for recent installations.

Non-glare pole lamp

Unshielded floodlight found in large numbers at the Orono campus.

Unshielded floodlight

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Contact | Star Shows | Public Shows | Field Trips | UMaine | Observatory

Maynard F. Jordan Planetarium, 5781 Wingate Hall, Orono, ME 04469-5781
Phone: (207) 581-1341