Poleward boundary of the auroral oval Magnetic local time: 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Geomagnetic latitude, degrees: 72 72 72 73 74 74 74 74 74 75 75 76 76 76 75 75 74 74 74 74 73 73 72 72 Equatorward boundary of the auroral oval Magnetic local time: 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Geomagnetic latitude, degrees: 64 64 64 65 66 67 68 69 70 72 72 73 74 74 73 73 72 71 70 69 68 66 65 64 Equatorward boundary of the diffuse aurora Magnetic local time: 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Geomagnetic latitude, degrees: 62 61 62 62 63 63 63 64 64 65 65 66 67 68 68 68 68 68 67 66 65 64 63 62 Current AL index: -151