Full-disk H-alpha Spectroheliograph development for GONG: Preliminary results

Sanjay
Gusain
National Solar Observatory
Alexei Pevtsov, NSO, Boulder, CO
Greg Card, NSO, Boulder, CO
Tim Purdy, NSO, Boulder, CO
C. U. Keller, NSO, Boulder, CO
Poster
We present the design and preliminary test results of a
full-disk spectroheliograph instrument under
development as a potential upgrade to the GONG
system. This instrument aims to enhance the current
GONG Hα system by enabling full-disk Dopplergram
observations, thereby facilitating the study of filament
dynamics in relation to eruptive events.
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24