NGC1399 Group
NGC1399 Group
A bright and dense group of galaxies on the Fornax/Eridanus border. The image is from the pro dataset of 30 Dec provided by Nik Szymanek.
SPECIFICATIONS
Telescope
CHI-1 Planewave CDK24
Camera
FLI PL 9000
Location
El Sauce Observatory, Rio Hurtado, Chile
Date of observation
Several days around 15 Dec 2020
Filters
LRGB
Processing
PixInsight
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Comments
The data is sparse--perhaps due to an intent to provide a simple opportunity to work a mosaic. There are 3 primary issues with my rendering. One of the two blue left hand frames is fogged--I am not aware of any PI tools that would correct that without being too clumsy, so it had to be rejected because it created a nasty gradient in the result. I balanced the intensity of the frames as a group before merging the image pairs--perhaps I should have first balanced the side frames pairwise, then balanced the resulting merged frames. Lastly, my application of PI's CosmeticCorrection process failed to remove a number of hot pixel groups--more attention is needed in that regard.