Planetary Nebula size: Main inner ring = 1' X 1'

The two faint outer shells revealed here along with the bright inner ring, indicate at least
three outbursts in the history of this dying star

Orion Optics AG12 F3.8
Starlightxpress SXVF-H694, SX USB CFW, SX OAG unit + Atlas Focuser
HaOIIIRGB = 390 200 30 30 30min = 11.3hrs total exposure (bin 1X1) Astronomik filters
-15C chip temp, no darks and no flats
Focal length 1120mm
Image scale 0.84"/pix
Guide Camera: Starlightxpress Loadstar

Comments

Clear, no moon and average seeing

Equipment setup:

http://www.pbase.com/strongmanmike2002/image/151108788/original

Some links to equipment used to take this image:

Orion Optics UK

http://www.orionoptics.co.uk/

StarlightXpress CCD Cameras and imaging equipment

http://www.sxccd.com/products

Finger Lakes Instrumentation CCD cameras:

http://www.flicamera.com/

Astro Shop (Aus)

http://www.astroshop.com.au/

Astro-Elecronic FS2 scope GOTO controller:

http://www.astro-electronic.de/

Gerd Neumann and Astronomik filters:

http://www.astronomik.com/en/home

http://www.gerdneumann.net/

MSB Software & Astroart 5

http://www.msb-astroart.com/

Catseye Collimation

http://www.catseyecollimation.com/

STAR Atlas:PRO planetarium software:

http://www.staratlaspro.com/