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)