Open Access

Table 1

Quantitative description of cloud groups.

Morphological class J-bubble J-filament J-core Total
Ring-like cloud 285 1306 24 1615
Elongated cloud 118 5915 22 6055
Concentrated cloud 0 803 822 1625
Clumpy cloud 6 984 80 1070
Unclassified 1 283 14 298
Total 410 9291 962 10663

Notes. The columns represent the J plot classes, and rows represent the visual classes. The blue shaded cells represent the VC sample, which contains 10 365 clouds. The grey shaded cells represent the MR sample, which contains 8086 clouds.

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