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Looking like an intricate pen-and-ink illustration, the complex and beautiful structures of the Sun’s surface come to life in yet another stunning photo by Alan Freidman, captured from the historic Mount Wilson Observatory near Los Angeles, California.
Click below for the full-size image in all its hydrogen alpha glory.
An oft-demonstrated master of solar photography, Alan took the image above while preparing for the transit of Venus on June 5 — which he also skillfully captured on camera (see a video below).
Hydrogen is the most abundant element found on the sun. The sun’s “surface” and the layer just above it — the photosphere and chromosphere, respectively — are regions where atomic hydrogen exists profusely in upper-state form. It’s these absorption layers that hydrogen alpha imaging reveals in detail.
The images above are “negatives”… check out a “positive” version of the same image here.
“ The seeing was superb… definitely the best of the visit and among the best solar conditions I’ve ever experienced,” Alan writes on his blog.
The video below was made by Alan on June 5, showing Venus transiting the Sun while both passed behind a tower visible from the Observatory.
Alan’s work is always a treat… see more of his astrophotography on his website AvertedImagination.com.
Image © Alan Friedman. All rights reserved.