The well-known Lagoon Nebula in Sagittarius takes on a wealth of detail when imaged through narrowband filters mapped to RGB.
Exposures: R= SII =120 mins , G = Ha= 45 mins B = OIII = 120 mins
(Total 4.75 hours)
Date: 21st October 2010
Location: Macedon Ranges, Victoria.
Sub-Image calibration, colour image composition, sigma rejected addition and RGB image combination with CCDStack.
PixInsight Wavelets used for noise reduction and enhancement.
Adobe RGB 1998 colourspace conversion and final levels with Adobe Photoshop CS4.
Image planned, acquired, captured and processed from the Gold Coast, using the remote telescope at Southern Galactic in the Macedon Ranges in Victoria.
Telescope: 16"; f8.4 Richey-Chretien
Focal Length: 3414mm
Camera: Apogee Alta U9000
Pixels: 3056 x 3056 x 12um