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View Full Version here: : 22nd Sept . 3 days of sunspots


John W
22-09-2023, 11:36 AM
Three images of the sunspots are shown - covering the 19th, 21st and 22nd of Sept. Each active region is numbered. All are single exposures with a Canon 550d, WO refractor and herschel wedge at 540 nm. Today (22nd) a new group has appeared on the NE limb.