Narrowband Lagoon Nebula
27-Aug-2019
The Lagoon Nebula is an active stellar nursery spanning 60 light years across. This false color photograph shows the interplay of three gasses: hydrogen-alpha in green, sulfur-II in red, and oxygen-III in blue.
Image:
- 43x 360s 6nm S-II
- 68x 360s 6nm H-α
- 77x 360s 6nm O-III
Total integration 18.8 hours.
Hardware:
- Skywatcher Esprit ED120
- Skywatcher EQ8 Pro mount
- QSI 683-ws8 Camera @ -15°C
- Astronomik 6nm narrowband filters
- Starlight Xpress Lodestar X2 Autoguider
Location:
- Imaged over 5 nights between 21st June and 20th August 2019.
- Orange zone in Brisbane, Australia. (Bortle 7)
Software:
- Planning & camera alignment with Aladin 10
- Captured with TheSkyX Professional
- Guiding with PHD2
- FocusLock live focusing
- PixInsight: Calibrate, align, stack, deconvolution, pixelmath SHO combination, histogram stretch, curves, HDR multiscale transform, reduction of magenta star halos.
- Photoshop CC: Saturation, high pass filter, annotation.