Astrophotography Workshop DIY Spectroheliograph Nov 5, 2025

This month's workshop features a presentation by DVAA member Prasad Agrahar on the development, fabrication and use of his Spectroheliograph (SHG) solar imaging device. Prasad will discuss what went into researching and building the SHG, along with using it with freely available software to capture images of the Sun in various wavelengths (e.g. - H-alpha, H-beta, Calcium-K, etc.)