I am finally happy to get some fantastic natural star colours. I believe this is due to replacing my Astronomik Deep Sky Red filter with the older Typ2 Red, giving a slight overlap between red and green, which allows richer orange and browns.
Higher quality here
Image Integration:
- 102x 240s Light-Pollution filter
- 54x 240s Red
- 54x 240s Green
- 502x 240s Blue
Total exposure 17 hours 20 minutes.
Hardware:
- GSO RC8 carbon fibre astrograph
- SkyWatcher EQ8 Pro Mount
- QSI 683-ws8 Camera @ -15°C
- Astronomik Deep Sky Red, Deep Sky Green, Typ2 Red, CLS-CCD light pollution filters
- Starlight Xpress Lodestar X2 Autoguider
- Starlight Xpress Active Optics
- Innovations Foresight On Axis Guider
Location:
- Imaged over four nights, high humidity. Orange zone in Brisbane, Australia. (Bortle 7)
Software:
- Planning & camera alignment with The SkyX Pro
- Captured with AstroArt 6
- Guiding with PHD2 + PHD_Dither
- CCDInspector: Image analysis & rejection
- CCDStack 2+: Calibrate, align, stack.
- PixInsight: Linear fit, denoise, deconvolution, background neutralization, histogram, curves, local histogram equalization, combine LRGB, saturation.