Pieter Welters is a Dutch astrophotographer who has been using DMK 21AU04.AS astronomy camera. Yesterday he sent us three Sun images taken earlier this month. Pieter is based in Deventer, Holland.
The Sun in Ha-light. Optics: TeleVue TV-76 f/6.4 refractor with Coronado Solarmax 60/BF15 H-a filter, with TeleVue 2x barlow. Monochrome image with The Imaging Source DMK 21AU04.AS monochrome camera. Stacked from 240 frames with AviStack. May 23th, 2010, 11:39 UT.
The Sun in Ha-light. Optics: TeleVue TV-76 f/6.4 refractor with Coronado Solarmax 60/BF15 H-a filter, monochrome image with The Imaging Source DMK 21AU04.AS monochrome camera. Stacked from 2 x 240 frames with AviStack. May 19th, 2010, 14:56 UT.
The Sun in Ha-light. Optics: TeleVue TV-76 f/6.4 refractor with Coronado Solarmax 60/BF15 H-a filter, monochrome image with The Imaging Source DMK 21AU04.AS monochrome camera. Stacked from 240 frames with AviStack. May 23th, 2010, 11:16 UT.
Thank you Pieter for the wonderful images and details on them! Do not hesitate to send us more of your astrophotography works.