Planetary Nebula IC5148
23-Sep-2018
A glowing shell of ionized gas ejected from a dying star, IC5148 is at the end of its life, shedding its outer layers and contracting from a red giant to a white dwarf.
Image:
- 39x 600s luminance
- 16x 300s red
- 22x 300s green
- 18x 300s blue
Total integration 11 hours 10 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:
- Imaged over 2 nights, 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, crop, dynamic background extraction, color calibration, light deconvolution, reduce noise, LRGB combination, background neutralization, SCNR green, histogram stretch, curves.