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NGC 5844 PN in Triangulum Australe

A very faint halo is surrounding this nicely structured planetary nebula.
The main central shell is 1 arcminute wide, the outer halo was discovered in 1998 and has a size of 3.5 arcminutes.

Image data:
Ha O-III RGB (320-360-140-140-140 min) total 18,3 h, north is up, seeing 0,8-1.2 arc-sec,
80cm f/7 Astrooptik Keller cassegrain, FLI PL 16803, 3 nm NB and RGB Astrodon Gen2 filters, Prompt 7 CTIO Chile

Processing: Johannes Schedler

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Last modified on Sunday, 01 November 2015 22:44

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