Thread: Herschel wedge
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Old 20-08-2022, 07:18 AM
Martin_S
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Martin_S is offline 		 
Join Date: Jul 2017
Location: Brisbane
Posts: 263
Graham,

Do not use a Herschel wedge without an ND3 and IR/UV cut filter or Baader Solar Continuum Filter or both !!!. Otherwise irreparable eye damage can occur!!!


Martin
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