The inner ring of NGC 6369 spans just 36 arc sec of sky, (about the size of Jupiter) making it
a challenging object to image. About a light year across and over 2000 light years away,
NGC6369 is a tiny planetery nebula in Ophiuchus more affectionately know as The Little Ghost
Nebula. You can read about NGC 6369 here: http://apod.nasa.gov/apod/ap120114.html
Orion Optics UK AG12 F3.8
Starlightxpress SXVF-H694, SX USB CFW, SX OAG unit + Atlas Focuser
SIIHaOIIIRGB = 200 380 140 50 50 70 = 14.8hrs total exposure (bin 1X1)
Using Astronomik 6nm Narrowband filters and RGB Deep Sky filters
-20C chip temp, flats used but no dark frames were used.
Focal length 1120mm
Image scale 0.84"/pix
Guide Camera: Starlightxpress Lodestar
Comments
Taken over 2 very cold nights (-8C), 30 June and 1 July 2017, some moon, average seeing.