食鬼星雲 from TMS

在PS內混合較高解像度的Ha data (以Ha代替L) 後，食鬼星雲看起來好像更幼細一點。不過，在圖像處理上，只著眼調校星雲本體的顏色為本人的喜好，故星點顏色彩難免會有點怪怪。冷凍CCD相機攝影新丁 + 個人圖像處理功力有限，若覺難看，請狠批！

Photographic details for your reference:

Telescope: Vixen VSD100 F3.8 (380mm F3.8)⋯⋯
Camera: Atik 383L mono
Mount: Vixen SX2 + Star Book Ten controller
Total Exp: Ha(1x1)=2x240s, R(2x2)+Ha(2x2)=2x120s+4x120s, G(2x2)=2x120s, B(2x2)=2x120s @-15C
Autoguiding: 50mm finder-guiding scope + 2x + QHY5 + PHD
Calibration: only dark calibrated in DSS
Air temp: ~15.5C
Transparency: 3-4/10
Date: Nov 29, 2015
Location: Tai Mo Shan in HK