Case 2

• Time range: 2011-05-01 to 2018-06-31
• Longitude range: 20.33 to 88.5
• Latitude range: 30 to -75
• Select all unique SHARP numbers which “emerged” at a certain place of the Sun during a certain date range as above
• SHARP weighted longitudes and latitudes are given by attributes LOT_FWT and LAT_FWT
• The attribute T_FRST1 determines the time when the SHARP number first appeared.
• Use condition T_FRST1 = T_REC to get attributes exactly then the SHARP region has emerged or appeared on visible hemisphere