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Fig. 1


EIT image and LASCO C2 difference image of a jet and associated narrow CME. Left panel: full-disk EIT image on 23 October 2003 at 07:13 UT showing a broad jet originating from the eastern border of AR 10484 at its maximum extension. The inset to its bottom right is the partial EIT difference image within the red rectangle in the full-disk image. Right panel: LASCO C2 difference image of the associated narrow CME. The two red continuous lines are drawn to indicate the CME angular width. A very weak feature is found to the north of the CME bulk emission. This feature could be attributed to a projection effect because the CME propagation direction has an important component toward the observer, as deduced from the source region location. If we take this as the northern CME edge, then the AW would be of 23 °, while the true width of the ejection is smaller. The broad feature to the south corresponds to a previous CME. The coronal evolution in the region indicated by the white rectangle is available as a movie. These white and red rectangles partially overlap to the north and west.

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