NatlSolarObservatory (@NatSolarObs) / Twitter
H-alpha Sun with sunspots and solar prominences in outer space — horizontal, exterior - Stock Photo | #201493902
Solar Prominence on the Southeast Limb | NOAA / NWS Space Weather Prediction Center
Critical solar observations from NSF's GONG network now maintained by NOAA's Space Weather Prediction Center - NSO - National Solar Observatory
Solar Astro-photography on the Cheap - Vatican Observatory
H-alpha | Astro-photo
Explore the Sun in Real-Time with the NSO/GONG H-Alpha Network Monitor – Great Lakes Association of Astronomy Clubs
Home Page - NSO - National Solar Observatory
H-alpha images - NSO - National Solar Observatory
Global High-Resolution H-alpha Network
Hydrogen Alpha Solar Observing Program | The Astronomical League
H-alpha | Astro-photo
NSO/GONG H-Alpha Gallery
Large Sunspot Predicted for Thanksgiving Using Helioseismology – “Listening” to Sound Waves From the Sun's Interior
Explore the Sun in Real-Time with the NSO/GONG H-Alpha Network Monitor – Great Lakes Association of Astronomy Clubs
Solar flare risk high as "violent" part of sun faces Earth
H-alpha | Astro-photo
NatlSolarObservatory on Twitter: "Live images of X-class solar flare currently in progress, observed by GONG's H-alpha telescope in Cerro Tololo, Chile. High res images coming soon. #NSFfunded @NSF @AURADC https://t.co/Zig3vpP6li" / Twitter
GONG H-alpha Equipment - Solar Observing and Imaging - Cloudy Nights
