Figure 1. Temperature map of the Cosmic Microwave Background near the star Gamma Ursa Minoris (GUM) calculated from MAX data. The z axis gives temperature in micro-Kelvin (CMB mean temperature of 2.726 degrees Kelvin subtracted). The x and y axes are right ascension and declination in degrees. The MAX experiment measures a map of spatial "temperature differences" of the CMB, which closely correspond to the spatial derivative of the temperature. This temperature map was made by effectively integrating the temperature difference map using the "maximum entropy" method. This map is from White & Bunn (ApJ 1995).

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