Sunday, April 24, 2016

checked out a propeller (Halifax)

Reviewed the image from BGO. Planetary nebula NGC 4361 in Corvus. Looks like a propeller screw! Super bright star in the centre. It's around 1.5 arcminutes in diameter.

planetary nebula NGC 4361 with blue filter

Image with blue filter. 60 seconds by 5 exposures. FITS Liberator, Paint.NET. North is up; east is left.


Wikipedia link: NGC 4361.

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