Tag: Optical Interferometer

AAVSO Alert Notice 507: Observations of the Eclipsing Binary B PerseiAAVSO Alert Notice 507: Observations of the Eclipsing Binary B Persei

January 7, 2015| Gary| 0 Comment| 12:23 pm

AAVSO Alert Notice 506 Observations of the eclipsing binary b Persei January 5, 2015 Dr. Robert Zavala (USNO-Flagstaff) and collaborators request observations of the bright variable star b Persei for the

AAVSO Alert Notice 476: Multicolor Photometry of Triple System B Per RequestedAAVSO Alert Notice 476: Multicolor Photometry of Triple System B Per Requested

January 8, 2013| Gary| 0 Comment| 11:21 am

AAVSO Alert Notice 476 Multicolor photometry of triple system b Per requested January 4, 2013 Dr. Bob Zavala (U.S. Naval Observatory, Flagstaff) has requested AAVSO assistance in obtaining multicolor photometry of

AAVSO Alert Notice 410: Request for Additional Epsilon Aurigae ObservationsAAVSO Alert Notice 410: Request for Additional Epsilon Aurigae Observations

October 29, 2009| Gary| 0 Comment| 11:17 pm

AAVSO Alert Notice 410: Request for additional epsilon Aurigae observations October 29, 2009 Dr. Robert Stencel (Denver U.) requests enhanced coverage of the bright, long-period eclipsing binary star epsilon Aurigae through

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4-Billion-Year-Old Relic From the Early Solar System Is Headed This Way
NASA's Hubble Space Telescope has determined the size of the largest icy comet nucleus ever seen by astronomers. The […]
Hubble Space Telescope Finds the Most Distant Star Ever Seen
The NASA/ESA Hubble Space Telescope has established an extraordinary new benchmark: detecting the light of a star that […]
The Lessons Learned From a Simulated Asteroid Strike Over Europe
In an alternate reality playing out at this year’s international Planetary Defense Conference, a fictional asteroid […]
Teachers: Apply Now to the ESA Teach With Space Online Conference
Register now for ESA’s first-ever virtual teacher conference! Over the course of three days, from 6 to 8 July 2021, ESA […]
First Panoramic View of Mars at Perseverance Rover Landing Site
NASA’s Mars 2020 Perseverance rover got its first high-definition look around its new home in Jezero Crater on Feb. 21, […]
NASA’s Webb Telescope Will Show Us More Stars at Higher Resolution
...And Here’s What That Means for Astronomy... Early observations of stars in the local universe will pave the way for […]
Animations of NASA’s Mars 2020 Perseverance Rover Landing
This video depicts key events during entry, descent, and landing that will occur when NASA’s Perseverance rover lands […]
NASA Is Providing Spanish-Language Coverage for the Livestream of the December 14 Solar Eclipse
NASA will provide live coverage on Monday, Dec. 14, of a solar eclipse that will pass over South America, treating […]
NASA Names Artemis Team of Astronauts Eligible for Early Moon Missions
NASA has selected 18 astronauts from its corps to form the Artemis Team and help pave the way for the next astronaut […]

The Sun Now (Visible light)		The Sun Now (H-Alpha light)

Aurora Oval (Northern Hemisphere)		Aurora Oval (Southern Hemisphere)