Caroline's Wizard
All fine art images are available to purchase as archival limited edition prints, produced on 13×19 inch giclee fine art paper and can be delivered unmatted or matted with acid free archival matting and backing board to 18×24 inches. Contact me directly for more information.
Caroline’s Wizard - This is a limited edition of 6
Caroline Herschel is credited as discovering this emission nebula in 1787 , and which surrounds a bright star cluster known as NGC 7380. She was the sister of the famous astronomer William Herschel as well as the aunt of John Herschel.
She is considered one of the original professional woman astronomers and discovered hundreds of comets and nebula. Like many other women scientists her accomplishment were often attributed to her male counterparts.
The Wizard nebula and star cluster are located in the norther circumpolar constellation of Cepheus, the King, and is typically visible high in the sky in September- November in the northern hemisphere. This image was shot from my Ottawa backyard during several clear nights using specialized narrowband filters in September 2025.
The red, blue and orange are the colour representations of Hydrogen (red) Oxygen Blue and Sulphur (orange) emitting form the nebula). The SHO RGB palette chosen (red for sulphur, green for hydrogen and blue for oxygen) is the palette favoured by the Hubble telescope images.
Equipment details
Celestron C11 Edge HD Telescope
0.7x reducer for a focal length of 1960 mm
ASI2600MM astronomical camera
6 hours of 180s exposures through each filter hydrogen, oxygen and sulphur.
Processed in Pixinsight
False coloured using the Hubble palette
One hour of RGB for stars
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