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Validation of an Extreme-ultraviolet Desaturation Technique for the Atmospheric Imaging Assembly on Board the Solar Dynamics Observatory Using Observations from the Extreme Ultraviolet Imager on Board Solar Orbiter
Sabrina Guastavino et al 2026 The Astrophysical Journal Letters 1005 .
- Provider: AAS Journals
Caption: Figure 1.
Relative Sun-spacecraft geometry at 23: 30 UT on 2024 March 19. The polar plot (J. Gieseler et al. 2023) shows the positions of SDO (green marker) and Solar Orbiter (blue marker) in heliocentric inertial coordinates projected onto the orbital plane; radial distance is in astronomical units. At the time shown, Solar Orbiter was at 0.435 au, and the longitudinal separation from SDO was ∼1°, producing a near-radial alignment that enables direct, low-parallax comparisons between AIA and EUI images.
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© 2026. The Author(s). Published by the American Astronomical Society.
