NGC 300
17-Oct-2015
NGC 300 is a spiral galaxy in the constellation Sculptor. It is one of the closest galaxies to the Local Group at 6 million light years distance.
Image:
- 5x 3 minute + 5x 6 minute Red bin3x3 + 16x flat + 20x dark + 50x bias
- 5x 3 minute + 5x 6 minute Green bin3x3 + 25x flat + 20x dark + 50x bias
- 5x 3 minute + 5x 6 minute Blue bin3x3 + 25x flat + 20x dark + 50x bias
- 11x 30 second + 9x 5 minute + 9x 10 minute Luminance bin2x2 + 20x flat + 40x dark + 120x bias
Hardware:
- Celestron EdgeHD 1100 with CGEM DX mount
- Celestron 0.7x EdgeHD focal reducer
- QSI 683-wsg Camera @ -15°C
- Astronomik LRGB filters Type 2c
- Orion StarShoot Autoguider
Location:
- Grey zone west of Brisbane, Australia. (Bortle 2)
- Good seeing + new moon phase.
Software:
- Captured with AstroArt 5
- Guiding with PHD2 + PHD_Dither
- CCDInspector: Image analysis & rejection
- CCDStack 2+: Calibrate, align, stack, upscale & combine RGB, levels & deconvolution on Luminance.
- Photoshop CC: levels, combine RGB+luminance, selective noise reduction, high pass filter, shadows/highlights, contrast