NGC6872 Galactic Group
29-Apr-2022
With more than 16 galaxies in one very narrow field of view, the elliptical galaxy NGC6876 is centered, interacting with NGC6877. In the bottom right, the spiral arms of NGC6872 are spread out by the interaction with IC4970
Image:
- 68x 300s Luminance (CLS-CCD light pollution filter)
- 45x 300s Red
- 41x 300s Green
- 56x 300s Blue
Total integration 17.5 hours. Focal length: 1960mm
Hardware:
- Celestron 11" EdgeHD
- Celestron 11" EdgeHD 0.7x reducer
- Skywatcher EQ8 Pro mount
- QSI 683-ws8 Camera @ -15°C
- Astrodon RGB Gen2 E-Series Tru-Balance filters
- Astronomik CLS-CCD light pollution filter
- Starlight Xpress Lodestar X2 Autoguider
- Starlight Xpress Large Format Active Optics
- Innovations Foresight ONAG
- Starlight Instruments Feather Touch Focuser
Location:
- Exposed over 5 nights between 7th August to 11th August 2020
- Orange zone in Brisbane, Australia. (Bortle 7)
Software:
- Planning & camera alignment with Aladin 10
- Captured with TheSkyX Professional
- Guiding with PHD2
- PixInsight: Calibrate, align, integrate, automatic background extraction, LRGB combination, noise reduction, photometric color calibration, HDR multiscale transform, histogram, curves, crop.