The North Temperate Region

The North Temperate Region extends from latitude 35° North to 23° North. While the polar-regions are often disappointing, the North Temperate Belt (NTB) contains a class of feature all its own. To the casual observer, the NTB usually presents the appearance of an otherwise featureless, thin, grayish or reddish-gray belt slightly more intense than the neighboring polar region. However, closer scrutiny reveals otherwise. The belt can be continuous, fragmented, or completely absent. During the 2000-2001 and 2001-2002 apparitions, the NTB was reported by most observers to have a reddish-brown coloration mixed in with the gray tone (Fig. 3.7). I have

Fig. 3.6. Jupiter on February 10, 2004. During the 2004 apparition both the NTB and NNTB disappeared from Jupiter's disk. Notice the prominent bluish-gray features on the NEBn and the faint bluish band in the NTrZ. South is up. (Credit: Donald C. Parker).

Fig. 3.6. Jupiter on February 10, 2004. During the 2004 apparition both the NTB and NNTB disappeared from Jupiter's disk. Notice the prominent bluish-gray features on the NEBn and the faint bluish band in the NTrZ. South is up. (Credit: Donald C. Parker).

Fig. 3.7. Jupiter showing a moderately intense GRS and NTB. CCD image taken November 28, 2000. South is up. (Credit: Ed Grafton).

Ed Grafton 05:12 UT L1 133.2, L2 098.6, L3 068.5 Celestron 14-inch f/10 SCT

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