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NGC 3699 Planetary Nebula in Centaurus

This bright 11 magnitude planetary subtends a visual diameter of about 45.0 arcsec.
However it shows very complex and extended outflows and filaments extending over several arc-minutes in this long NB exposure.
The diffuse H-Alpha emission could be interacting with the planetary nebula.

Image data:

Ha OIII RGB (280-320-140-140-140 min) total 17 h, north is up, seeing 0.8-1.2 arc-sec,
80cm f/7 Astrooptik Keller cassegrain, FLI PL-16803, Astrodon Gen2 filters, Prompt 7 CTIO Chile

Processing: Johannes Schedler

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Last modified on Sunday, 11 October 2015 21:48

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