The Sun Today

Mount Wilson Observatory Dopplergram FeI 525.02 nm
Dopplergram Mount Wilson Observatory Dopplergram FeI 525.02 nm

Mount Wilson Observatory Dopplergram 589.59 nm Na I (D1)
Dopplergram Mount Wilson Observatory Dopplergram 589.59 nm Na I (D1)

Mount Wilson Observatory Intensitygram FeI 525.02 nm
Intensitygram Mount Wilson Observatory Intensitygram FeI 525.02 nm

Mount Wilson Observatory Intensitygram 589.59 nm Na I (D1)
Intensitygram Mount Wilson Observatory Intensitygram 589.59 nm Na I (D1)

Mees Solar Observatory The Mees K-Line Telescope observes the Sun in the Ca K spectral line.
Ca-K Mees Solar Observatory The Mees K-Line Telescope observes the Sun in the Ca K spectral line.

Mees Solar Observatory The Mees White Light Telescope observes the Sun in white light.
White-light Mees Solar Observatory The Mees White Light Telescope observes the Sun in white light.

Mees Solar Observatory The Mees Dual Coronagraph observes the space above the solar limb in H-alpha (10,000 degrees) and Fe XIV (2 million degrees).
Coronal Image Mees Solar Observatory The Mees Dual Coronagraph observes the space above the solar limb in H-alpha (10,000 degrees) and Fe XIV (2 million degrees).

Mees Solar Observatory Each map is drawn from tabular information in the Solar Region Report sent by the Space Environment Center.
Active Region Map Mees Solar Observatory Each map is drawn from tabular information in the Solar Region Report sent by the Space Environment Center.

Mees Solar Observatory The Haleakala Stokes Polarimeter (HSP) at Mees Solar Observatory on Haleakala, Maui, Hawaii, measures the polarization of an absorption line in the solar spectrum, and uses the polarization data to map the vector magnetic field in the solar photosphere.
HSP Mees Solar Observatory The Haleakala Stokes Polarimeter (HSP) at Mees Solar Observatory on Haleakala, Maui, Hawaii, measures the polarization of an absorption line in the solar spectrum, and uses the polarization data to map the vector magnetic field in the solar photosphere.

Mees Solar Observatory The Imaging Vector Magnetograph (IVM) at Mees Solar Observatory on Haleakala, Maui, Hawaii measures the polarization of an absorption line in the solar spectrum, and uses the polarization data to map the vector magnetic field in the solar photosphere. The IVM observes a region about 203,000 km square on the sun.
IVM Mees Solar Observatory The Imaging Vector Magnetograph (IVM) at Mees Solar Observatory on Haleakala, Maui, Hawaii measures the polarization of an absorption line in the solar spectrum, and uses the polarization data to map the vector magnetic field in the solar photosphere. The IVM observes a region about 203,000 km square on the sun.

Mees Solar Observatory The Mees CCD Imaging Spectrograph (MCCD) at Mees Solar Observatory on Haleakala, Maui, Hawaii records the spectrum of all points in a region, repetitively over time. The MCCD normally observes a region about 200,000 km square on the sun.
MCCD Mees Solar Observatory The Mees CCD Imaging Spectrograph (MCCD) at Mees Solar Observatory on Haleakala, Maui, Hawaii records the spectrum of all points in a region, repetitively over time. The MCCD normally observes a region about 200,000 km square on the sun.

Mauna Loa Solar Observatory (HAO) K-Corona 700-950 nm
ACOS Mark-IV Mauna Loa Solar Observatory (HAO) K-Corona 700-950 nm

Mauna Loa Solar Observatory (HAO) H-Alpha Limb 656.3 nm
ACOS PICS Limb Mauna Loa Solar Observatory (HAO) H-Alpha Limb 656.3 nm

Mauna Loa Solar Observatory (HAO) H-Alpha Disk 656.3 nm
ACOS PICS Disc Mauna Loa Solar Observatory (HAO) H-Alpha Disk 656.3 nm

Mauna Loa Solar Observatory (HAO) Helium-I 1083 nm
ACOS CHIP Mauna Loa Solar Observatory (HAO) Helium-I 1083 nm

Mauna Loa Solar Observatory (HAO) CaII K 393 nm
PSPT CaII K Mauna Loa Solar Observatory (HAO) CaII K 393 nm

Mauna Loa Solar Observatory (HAO) Blue 408-412 nm
PSPT Blue Mauna Loa Solar Observatory (HAO) Blue 408-412 nm

Mauna Loa Solar Observatory (HAO) Red 605-610 nm
PSPT Red Mauna Loa Solar Observatory (HAO) Red 605-610 nm