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M1 is probably the most well-known Supernova remnant. I've imaged it here using a monochrome sensor and narrowband filters. The fun part with imaging in narrowband, besides getting rid of light pollution, is that you can combine the data differently. One set of data can give very different appearing images. Typically emission spectra imaged are Hydrogen-Alpha, Oxygen and Sulphur. I've assigned Hydrogen to the Red channel, Oxygen to the Green channel and Sulphur to the Blue channel in this image. However, the data is not all the same as Sulphur emission is weak, and I've used Pixel Math in Pixinsight to mix data from the other channels.
The camera used was a QHY 163. Processed mostly in Pixinsight, with a sprinkle of Photoshop, Capture One and Photolab. |
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by david fletcher
on Mon Mar 29, 2021 1:04 pm
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by Ron Day
on Mon Mar 29, 2021 1:39 pm
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by Carol Clarke
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by ADKShooter
on Mon Mar 29, 2021 6:21 pm
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by E.J. Peiker
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by John Labrenz
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by Dan Kearl
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by Cynthia Crawford
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9 posts | | Page 1 of 1 |