The Sun Today

Prev page \| Next page
; INAF CATANIA ASTROPHYSICAL OBSERVATORY Halpha center INAF CATANIA ASTROPHYSICAL OBSERVATORY	; INAF CATANIA ASTROPHYSICAL OBSERVATORY Continuum INAF CATANIA ASTROPHYSICAL OBSERVATORY	; INAF CATANIA ASTROPHYSICAL OBSERVATORY Sunspot Drawing INAF CATANIA ASTROPHYSICAL OBSERVATORY	; Hida Observatory, School of Science, Kyoto University Flare Monitor Telescope Latest H-alpha Images H-alpha Line Center Hida Observatory, School of Science, Kyoto University Flare Monitor Telescope Latest H-alpha Images	; Hida Observatory, School of Science, Kyoto University Flare Monitor Telescope Latest H-alpha Images H-alpha Prominences Hida Observatory, School of Science, Kyoto University Flare Monitor Telescope Latest H-alpha Images	; Hida Observatory, School of Science, Kyoto University Flare Monitor Telescope Latest H-alpha Images H-alpha - 0.8 A Hida Observatory, School of Science, Kyoto University Flare Monitor Telescope Latest H-alpha Images
; Hida Observatory, School of Science, Kyoto University Flare Monitor Telescope Latest H-alpha Images H-alpha + 0.8 A Hida Observatory, School of Science, Kyoto University Flare Monitor Telescope Latest H-alpha Images	; National Astronomical Observatory of Japan H-alpha Flare Patrol and Solar Flare Telescope Full Disk National Astronomical Observatory of Japan H-alpha Flare Patrol and Solar Flare Telescope	; National Astronomical Observatory of Japan H-alpha Flare Patrol and Solar Flare Telescope Full Disk National Astronomical Observatory of Japan H-alpha Flare Patrol and Solar Flare Telescope	; Learmonth Observatory GONG White Light Learmonth Observatory GONG	; Learmonth Observatory Magnetogram Learmonth Observatory	; Learmonth Observatory H-alpha Learmonth Observatory
; BBSO BBSO full disk white-light image: The image was recorded with a 8-bit Kodak MegaPlus 1.4i CCD camera. white-light BBSO BBSO full disk white-light image: The image was recorded with a 8-bit Kodak MegaPlus 1.4i CCD camera.	; BBSO BBSO contrast enhanced full disk white-light image: The image was recorded with a 8-bit Kodak MegaPlus 1.4i CCD camera. This image has been corrected by dark and flat field images, and a limb darkening estimate has been subtracted to enhance the contrast. white-light BBSO BBSO contrast enhanced full disk white-light image: The image was recorded with a 8-bit Kodak MegaPlus 1.4i CCD camera. This image has been corrected by dark and flat field images, and a limb darkening estimate has been subtracted to enhance the contrast.	; BBSO BBSO full disk CaK-line image: The image was recorded with a 8-bit Kodak MegaPlus 1.4i CCD camera. Ca K-line BBSO BBSO full disk CaK-line image: The image was recorded with a 8-bit Kodak MegaPlus 1.4i CCD camera.	; BBSO BBSO contrast enhanced full disk CaK-line image: The image was recorded with a 8-bit Kodak MegaPlus 1.4i CCD camera. The FWHM of the Daystar filter amounts to 0.1 nm. This image has been corrected by dark and flat field images, and a limb darkening estimate has been subtracted to enhance the contrast. We use the CaK-line images to produce a daily index of the CaK-line activity. Ca K-line BBSO BBSO contrast enhanced full disk CaK-line image: The image was recorded with a 8-bit Kodak MegaPlus 1.4i CCD camera. The FWHM of the Daystar filter amounts to 0.1 nm. This image has been corrected by dark and flat field images, and a limb darkening estimate has been subtracted to enhance the contrast. We use the CaK-line images to produce a daily index of the CaK-line activity.	; BBSO BBSO full disk H-alpha image: The image was recorded with a 14-bit, 2032 x 2032 pixel Apogee KX4 CCD camera. H-alpha BBSO BBSO full disk H-alpha image: The image was recorded with a 14-bit, 2032 x 2032 pixel Apogee KX4 CCD camera.	; BBSO BBSO contrast enhanced full disk H-alpha image: The best daily panoramic solar image ever! The image was recorded with a 14-bit, 2032 x 2032 pixel Apogee KX4 CCD camera. This image has been corrected by dark and flat field images, and a limb darkening estimate has been subtracted to enhance the contrast. H-alpha BBSO BBSO contrast enhanced full disk H-alpha image: The best daily panoramic solar image ever! The image was recorded with a 14-bit, 2032 x 2032 pixel Apogee KX4 CCD camera. This image has been corrected by dark and flat field images, and a limb darkening estimate has been subtracted to enhance the contrast.