M8 Lagoon Nebula in (L+Ha)(R+Ha)GB color
Date: 2 August 2005
Telescope: Borg 101ED on Gemini G-41 mount
Guiding: ST-4 Autoguider with Celestron/Vixen 80mm F11 refractor on side-by-side plate.
Camera: Genesis KAF-1602E with Astronomik FR-4 filterwheel with 34mm filters, Astro-Physics CCDT67 reducer
Location: Shui Hau, Hong Kong
Exposure: L: 11 x 1min, 1x binning
Ha: 4 x 5min, 1x binning
R: 3 x 1min, 2x binning
G: 6 x 1min, 2x binning
B: 6 x 1min, 2x binning
Software: images acquired in MaximDL, then calibrated also in MaximDL and aligned in IRIS v4.27 and LRGB combined in Astroart v3.0 and final brightness adjustment and USM in Photoshop.
Mono version (L+Ha)