Triple APOD- July 29, 2024: Pickering's Triangle by Robert R. Gaudet All-Star Amateur Astronomy Photo of the Day - Click to Enlarge


Triple APOD- July 29, 2024: Pickering's Triangle by Robert R. Gaudet

Pickering's Triangle was first discovered by Williamina Fleming in 1904 by examining photographic plates from the Harvard Observatory where she worked, under the observatory director Edward Charles Pickering. Williamina had many of her accomplishments attributed to her superiors in the observatory in her early career, but she was a pioneering advocate for women in astronomy and science in general. Her accomplishments also include the discovery of the Horsehead Nebula, the first identified white dwarf stars, being appointed the Curator of Astronomical Photographs at Harvard, and organizing the first Henry Draper Catalogue of tens of thousands of stellar spectra, made possible by her assistance in the founding of the Harvard Computers!

Here, Robert does an excellent job of showing how much more you can get out of a Seestar with extra processing! He took roughly 1 hour and 30 minutes of 10 second exposures with the light pollution filter enabled, and then took the image into Siril for further processing. There, a script made by AstroBBQ was used to convert the colours to simulate a Hubble palette, followed by a background extraction, green noise removal, colour calibration, deconvolution, and star reduction. Finally, the image was brought into Photoshop for final noise reduction and artifact touchups. Pickering's Triangle is quite a faint target, so Robert did a fantastic job getting the most out of his Seestar!

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