Spiral Galaxy IC4351
14-May-2019

IC4351 is an obscure spiral galaxy 123 million light years from Earth.
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.