TEC 유저그룹의 Paul Kanevsky 님의 사진 입니다..
HX916는 가이드칩은 없으나 SBIG
ST-2000XM보다 저가에 감도는 더 좋다고 합니다..
-January and February 2004 (four nights)
-Equipment:
TEC140 at F/7, HX916 CCD, G11 mount, ST-4
-Exposure:
L(R+Ha)GB 180:(45+120):45:45 minutes.
L binned 1x1, R, G, B and Ha binned 2x2.
H-a data was blended into the red channel using Photoshop's Lighten combine method (maximum pixel value)