Eastern sky at 2 AM on Sept. 19, 2017. Credit: Stellarium / Bob Trembley.
The Pleiades open star cluster consists of approximately 3,000 stars, and is among the nearest star clusters to Earth; the cluster is easily visible to the naked eye.
The Pleiades open star cluster. Credit: NASA, ESA, AURA/Caltech, Palomar Observatory The science team consists of: D. Soderblom and E. Nelan (STScI), F. Benedict and B. Arthur (U. Texas), and B. Jones (Lick Obs.)
This video shows a faster-than-light trip through space to the Pleiades star cluster:
SpaceWeather.com says that "Lonely sunspot AR2680 poses no threat for strong solar flares."
The Sun - Sept. 18, 2017 - Helioseismic and Magnetic Imager (HMI). Image courtesy of NASA/SDO and the AIA, EVE, and HMI science teams. / Bob Trembley.
There is a large coronal hole that can be seen in 211 angstrom s.
The Sun's Corona - Sept. 12, 2017 - Atmospheric Imaging Assembly (AIA) 211 angstrom s. Image courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.
The Solar System:
Inner Solar System, Sept. 18, 2017. Credit: NASA Eyes on the Solar System / Bob Trembley.
Full Solar System, Sept. 18, 2017. Credit: NASA Eyes on the Solar System / Bob Trembley.