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FROM THE OBSERVATORY · 04-Jun-2018

Shapley 1 Planetary Nebula

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Shapley 1 Planetary Nebula
Shapley 1 is a planetary nebula in the southern sky with a magnitude 14 white dwarf at it's center. It is approximately 4900 light years away, and one third of a light year across.
BEHIND THE IMAGE

Notes from the session

Image Integration:
73x 300s Luminance
20x 300s Red
30x 300s Green
27x 300s Blue



Total exposure 12 hours 30 minutes.

Hardware:

Celestron C11 EdgeHD
SkyWatcher EQ8 Pro Mount
QSI 683-ws8 Camera @ -15°C
Astronomik Luminance, Deep Sky RGB filters
Starlight Xpress Lodestar X2 Autoguider
Starlight Xpress Active Optics
Innovations Foresight On Axis Guider



Location:
Imaged over two nights, high humidity. Orange zone in Brisbane, Australia. (Bortle 7)



Software:
Planning & camera alignment with The SkyX Pro
Captured with AstroArt 6
Guiding with PHD2 + PHD_Dither
CCDInspector: Image analysis & rejection
CCDStack 2+: Calibrate, align, stack.
PixInsight: Crop, deconvolution, dynamic backgroup extraction, noise reduction, star size reduction, LRGB combination, background neutralization, color calibration, curves, histogram.