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Old 29-06-2023, 11:30 AM
John W (John Wilkinson)
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Join Date: Jan 2010
Location: Castlemaine, Victoria, Australia
Posts: 1,419
29th June A large sunspot

29th June ... It has been difficult to get any images of the Sun due to cloud and rain for a number of days. This morning there were still clouds but the occasional blue gap. I managed this image thru light cloud to show a large sunspot in the middle of the Sun's disc. I measured it at 125,000 km by 50,000 km in size. A large one for this cycle. Single exposure taken with a Canon 550d attached to a WO 81mm refractor with herschel wedge at 540 nm. Thanks for viewing.
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Last edited by John W; 29-06-2023 at 06:53 PM.
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