(n.) A photograph of the sun made by monochromatic light, usually of the calcium line (k), and showing the sun's faculae and prominences.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). spectroheliogram. Retrieved September 20, 2026, from http://smartdefine.org/spectroheliogram/definitions/2064604 |
| Chicago | Webster's. 2011. "spectroheliogram" http://smartdefine.org/spectroheliogram/definitions/2064604 (accessed September 20, 2026). |
| Harvard | Webster's 2011, spectroheliogram, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/spectroheliogram/definitions/2064604>. |
| MLA | Webster's. "spectroheliogram" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/spectroheliogram/definitions/2064604> |