ドリフトチャート (2022-23 Apparition - mid-NEB/NEBZ)

Color +9° white marking +10° white marking +11° white marking +12° white marking
+13° white marking ≥+14° white marking NEBZ dark marking marking in adjacent region
Shape center p. end f. end
NEBW1 NEBW2 NEBW2 NEBW3 NEBW4

特殊経度(体系IIに対して-5.0°/day)によるドリフトチャート

Color +9° white marking +10° white marking +11° white marking +12° white marking
+13° white marking ≥+14° white marking NEBZ dark marking marking in adjacent region
Shape center p. end f. end
NEBW1 NEBW2

特殊経度(体系IIに対して-2.5°/day)によるドリフトチャート

Color +9° white marking +10° white marking +11° white marking +12° white marking
+13° white marking ≥+14° white marking NEBZ dark marking marking in adjacent region
Shape center p. end f. end
NEBW3 NEBW4

自転周期

模様記号期間自転周期ドリフト測定数観測期間観測経度緯度衝の経度風速(m/s)
NEBZ white spotNEBW19h52m15.8s±4.4s-5.017±0.107252022/06/30−2022/08/02276.3−109.9+10.7±0.4201.4±1.8+67.5±1.5
NEBZ white spotNEBW29h51m55.5s±3.5s-5.516±0.086342022/08/24−2022/10/096.8−105.2+10.2±0.4183.3±2.0+74.7±1.2
NEBZ white spotNEBW39h53m41.7s±5.8s-2.906±0.142282022/12/10−2023/01/25228.3−94.7+12.5±0.595.0±3.3+37.2±2.0
NEBZ white spotNEBW49h54m08.2s±3.1s-2.256±0.075292022/12/19−2023/02/12292.5−164.2+12.9±0.6118.0±2.1+28.0±1.1