One sample video included, for someone may want to know how to create a solar disk from spectral lines




My best results:
20140118 4" SCT SHG Mosaic
20140405 SHG Sun
20141220 SHG Sun - Halpha, Hbeta, Hgamma, Hdelta, CaH
Spectral line dictionary:
http://fermi.jhuapl.edu/liege/s00_0000.html
http://www.nist.gov/pml/data/handbook/index.cfm
http://bass2000.obspm.fr/solar_spect.php?step=1
http://astro.u-strasbg.fr/~koppen/discharge/