N55 i les nebuloses del voltant (localitzades al Núvol Gran de Magallanes).
This image was taken with narrowband filters (Halpha and OIII) and mapped to natural colors (Ha: R and 15% B; OIII: G and B).
Location: iTelescope.net, SSO near Coonabarabran, NSW Australia
Telescope: 20''f/6.8 Reflector
Camera: SBIG STX16803 (4096x4096pix)
Guiding: Astrodon MonsterMOAG off-axis guider
Total exposure: 15 hours (Ha: 6.5h; OIII: 7h; RGB: 1.5h)
Processing: CCDStack, Photoshop CC 2019