Title: Comet C2023 P1 Nishimura
Description:
I reprocessed. this a bit to see if I could do a better job. For the comet aligned image, I used the calibrated, debayered, registered files instead of the calibrated and debarred set. After the initial generalized hyperbolic stretch, I used the GAME script to create a brightness mask around the comet. Using curves, I brought up the brightness of the comet a little more, backed off the saturation, and attempted some color balancing. With the IDAS filter in place, maximum transmission is.in the H alpha and O III wavelengths. I then reversed the mask and used curves to bring down the background. Finally, the combined image was rotated so that the comet head is down towards the Sun, and dynamic cropped to frame the comet better.
Given the conditions, I was surprised to even be able to photograph this, much less able to use the tools in Pixinsight to process so that it looks like a comet. For comets. with really long tails like Nishimura, the best pictures seem to be a DSLR on a tracker to really pick up the magnificent tail, and be able to control dawn's early light better.
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| HyperStar Lens Astrophotography |
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