Observation of 2008 total solar eclipse By Haisheng What to observe - PowerPoint PPT Presentation

Mar 02, 2023 •263 likes •405 views

A special report to my friends Observation of 2008 total solar eclipse By Haisheng What to observe Flash spectrum around D3 line Scientific aim Measure the absolute intensity of D3 line during solar minimum years. By combining with

A special report to my friends Observation of 2008 total solar eclipse By Haisheng
What to observe ： Flash spectrum around D3 line Scientific aim ： Measure the absolute intensity of D3 line during solar minimum years. By combining with previous observations, learn about the long term variations of D3 line, and, add our understanding to the physics of the solar cycle Coelostat Coude room PC room
Testing the instrument at Nanjing
Coude room
Now the instrument is ready to go
Shipping
Interview by CCTV
Installing the instrument at the observing site and interviewed by local TV
Installing the instrument at the observing site
Ready for observation PC room Coude room
Cloudy days were really annoying ！
Sample of the flash spectrum D1 & D2 lines D3 line

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