Spiral Galaxies NGC6935 and NGC6937
17-Aug-2018
NGC6935 and NGC6937 are two differing spiral galaxies that appear close to each other, though they are not gravitationally bound
A number of distant galaxies are seen in the background, including those annotated below:
Image:
- 49x 600s luminance
- 30x 600s red
- 23x 600s green
- 12x 600s blue
Total integration 19 hours.
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:
- Orange zone in Brisbane, Australia. (Bortle 7)
- Imaged over 3 nights. New Moon.
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, light deconvolution, noise reduction, stretch, curves.