Thanks everyone for the comments. Much appreciated.
Quote:
Originally Posted by Stevec35
Nicely done Paul. Nice to see someone else is doing planetary nebulae. As a matter of interest the central star of NGC 2440 is the hottest White Dwarf known at about 200,000 degrees C.
Cheers
Steve
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That is interesting about the temperature because I also read the same but then when I imaged the butterfly nebula or bug nebula I read this also had a surface temperature of 200,000K. I do wonder which one is the hotter of the two.