Grand Spiral Galaxy NGC7424
02-Nov-2018
NGC7424 is a large barred spiral galaxy with well defined arms, similar to the Milky Way. It is around 38 million light years away.
Image:
- 49x 300s red
- 44x 300s green
- 48x 300s blue
- 70x 600s luminance
Total integration 11 hours 40 minutes.
Hardware:
- Celestron 11" EdgeHD
- Celestron EdgeHD 0.7x focal reducer
- Skywatcher EQ8 Pro mount
- QSI 683-ws8 Camera @ -15°C
- Astronomik UHC, 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 on 6 nights between September 9 and September 18, 2018.
- 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, reduce noise, LRGB combination, histogram stretch, HDR multiscale transform, curves.