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Showing results for tags 'prominence'.
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Plasma drapery at the edge of the solar limb (Rocbaron observatory) France May 24 2023
andre cassese posted a gallery image in The Sun
From the album: refractor 150 mm halpha observatoire Rocbaron
150 mm apo halpha refractor - Fabry Perrot PST coronado prototype of 2004 optimized - Barlow 2.5 x and Apollo IMX 429 camera© Andre cassese
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From the album: refractor 150 mm halpha observatoire Rocbaron
refractor 150 mm apo F/D 8 double standard PST Coronado and camera apollo IMX 429© Andre cassese
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From the album: Soleil Halpha lunette 120 mm et 80 mm
Here is the first image taken with my new 120 mm Frehel achromatic and diaphragmed 100 mm sunglasses allowing me to reach an ideal F/D 10 ratio for observation with a standard PST modification on February 24, 2023. The Fabry Perot standard comes from an old 2005 PST Coronado telescope that I have just recovered and transformed with various optical filters. I then installed inside the telescope, a Lumicon rejection filter for the 77 mm aperture Halpha allowing increased contrast and a black background of the resulting image. This construction is perfectly complementary to the 150 mm Halpha telescope and well suited to turbulence depending on the observation conditions.© Andre cassese
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From the album: refractor 150 mm halpha observatoire Rocbaron
150 mm Halpha refractor in Fabry Perot PST standard double stack, 2x barlow and Apollo IMX 429 camera 13 Janvier 2022© Andre cassese
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A tree of plasma forms a large prominence this January 30, 2023
andre cassese posted a gallery image in The Sun
From the album: refractor 150 mm halpha observatoire Rocbaron
Optimized 150 mm Halpha standard PST refractor and Apollo IMX 429 camera© Andre cassese
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Solar brazier January 5, 2023 150 mm halpha refractor (Rocbaron observatory - France)
andre cassese posted a gallery image in The Sun
From the album: refractor 150 mm halpha observatoire Rocbaron
here is a gigantic cloud of plasma and a beautiful fireworks of protuberances 150 mm Halpha refractor with double Fabry pérot PST standard and Apollo IMX 429 camera© Andre cassese
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Solar panorama and protuberances at the edge of the double limb Fabry Perot PST
andre cassese posted a gallery image in The Sun
From the album: refractor 150 mm halpha observatoire Rocbaron
Solar panorama and protuberances at the edge of the double limb Fabry Perot PST December 28, 2022 Refractor 150 mm F/D 8 Halpha Camera Apollo IMX 429 player one - Observatory of Robaron (France)© Andre cassese
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Solar disc of the God Ra in Halpha refractor 80 mm double Fabry Perot PST
andre cassese posted a gallery image in The Sun
From the album: Soleil Halpha lunette 120 mm et 80 mm
Solar disc of the God Ra in Halpha refractor 80 mm F/D 6.3 - double Fabry Perot PST 29 December 2022 Camera Apollo IMX 429 player one - Observatory of Robaron (France)© Andre cassese
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From the album: refractor 150 mm halpha observatoire Rocbaron
beautiful protuberance forming a gigantic arc of plasma Double stack 150 mm refractor with two optimized Perot PST fabry standards and Apollo IMX 429 camera + 2x barlow© andre cassese
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Double etalon PST fabry perot with 150 mm apo telescope
andre cassese posted a gallery image in The Sun
From the album: refractor 150 mm halpha observatoire Rocbaron
Double etalon PST fabry perot with 150 mm apo telescope (long plasma serpent on the solar surface) 29 sept 2022© Andre cassese
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