Quote:
Originally Posted by Placidus
Beautiful, razor sharp, no hint of mosaic structure.
Ken, is the background awash with almost uniformly strong [OIII] over such a large distance, or is it reflection nebulosity? If so, it would be much stronger in the blue filter than the [OIII]. I have no idea, just interested.
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Thanks! Yes, if you look at NB only images of this region the OIII component is very strong in the background. It is different than the blue filter data as it is more uniform over all were the Blue data has much more structure.
To present it the way I did I overlaid the OIII data with an object mask on top of the LRGB-HA_SII data.
Hope that helps . . .