Sunspot as seen with VTF

Technical First Light! The Inouye Solar Telescope’s Visible Tunable Filtergraph (VTF) looks at the #Sun for the first time. VTF was developed and built at the Institute for Solar Physics (KIS) in Freiburg. #mpsoettingen is a partner of the project. Read more […]

[Original post on astrodon.social]

A striking image of a spiral-shaped sunspot captured on February 19, 1982, by the Vacuum Solar Telescope at Kitt Peak. This unusual sunspot, approximately 50,000 miles across, is a testament to the dynamic and surprising nature of solar activity. The dark areas represent cooler regions (around 4,000 degrees Celsius) compared to the surrounding solar surface (6,000 degrees Celsius).

Astronomy Picture from 04/02/1999

Spiral Sunspot

Source: https://apod.nasa.gov/apod/ap990204.html


#SolarSpiral #Sunspots #SpaceWeather #Astronomy #SolarPhysics #KittPeak #NationalSolarObservatory #1982 #RareSunspot #SpacePhenomenon