Arp 93 Colliding Galaxies NGC7284 and NGC7285
16-Sep-2018
210 million light years away, a barred spiral galaxy NGC 7284 is colliding with a lenticular galaxy NGC 7285, throwing off massive tidal tails.
Image:
- 74x 400s luminance
- 14x 150s red
- 22x 150s green
- 20x 150s blue
Total integration 8 hours 30 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:
- 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, color calibration, light deconvolution, reduce noise, LRGB combination, background neutralization, SCNR green, histogram stretch, curves.