astroenthusiast 279 Posted April 16, 2021 The Sun, shown in Calcium light, using a Daystar Quark Calcium H-Line filter. The image was captured using 300 sub-frames taken on April 12, 12:00 PM ET. The solar photography equipment used was a Lunt 80MT APO refractor, Televue 2.5x Powermate and Altair Hypercam 174M mono camera, cooled. Link to comment
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