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Tuesday's Photo Challenge: RGB

Almudena Modern RGB

Almudena Cathedral is the seat of the Roman Catholic Archdiocese of Madrid. Begun in 1879, the Gothic revival style church was not completed until 1993, when it was consecrated by Pope John Paul II.   36 more words


Tuesday Photo Challenge: RGB - Road Trip

Frank’s Photo Challenge for this week is to have Red, Green, and Blue in the photos. The first thought came to my mind was the road trip we took from Las Vegas to Yellowstone. 48 more words


A Study in Light #8

This is our entry in Dutch goes the Photo!’s Tuesday Photo Challenge – RGB.

This photo was taken while experimenting with the additive properties of light for a photography class project.   412 more words


First light of my remote observatory

Two months ago a had the opportunity to take over a remote controlled observatory from a friend who now is in the final stages of setting up an observatory in Chile. 98 more words
Deep Sky

Kambalny Eruption on 03/26/17 using Multispectral Imagery

Following on the heels of our post on the early March 2017 eruption of Bogoslof in the Aleutian Islands, the Washington Volcanic Ash Advisory Center (VAAC) located at the NESDIS Satellite Analysis Branch (SAB) noted an interesting SO2 signal following the eruption of Kambalny on the Kamchatka Peninsula in the various Himawari multispectral imagery.   313 more words