Magazine

Observing, The Moon

Trekking the terminator

Human Spaceflight

Lessons of Mir

Telescopes and Equipment

What Does an LRGB Telescope Filter Do?

Observing

Jupiter rules the night

Science

5 Questions with David J Eicher: Episode 1 – Alex Filippenko

Observing, The Moon

The Moon hides Aldebaran

Observing

The star clusters of Puppis

Solar System

Why Does Earth’s Axis of Rotation Wobble?

Astrophotography

Distorted galaxies

Observing

Oklahoma skies

Observing

Double star marathon redux

Observing, The Sun

I am planning to photograph the 2017 total solar eclipse through a Hydrogen-alpha filter. If I were to attempt this during totality, would the corona be visible in the H-alpha wavelength? My camera has a variety of ISO settings available and many exposure settings.