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FROM THE OBSERVATORY · 14-May-2019

Spiral Galaxy IC4351

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Spiral Galaxy IC4351
IC4351 is an obscure spiral galaxy 123 million light years from Earth.
BEHIND THE IMAGE

Notes from the session

Image:
58x 360s Luminance
17x 360s Red
16x 360s Green
16x 360s Blue


Total integration 10 hours 42 minutes.

Hardware:
Celestron 11" 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
Starlight Instruments Focus Boss II



Location:
Exposed during 4 nights between 9th April and 17th April 2019.
Orange zone in Brisbane, Australia. (Bortle 7)



Software:
Planning & camera alignment with Aladin 10
Captured with TheSkyX Professional
Guiding with PHD2
FocusLock live focusing
PixInsight: Calibrate, align, stack, deconvolution, noise reduction, LRGB combination, histogram stretch, curves, local histogram equalization.
Photoshop CC: Saturation, high pass filter.