M42 thru INTANE 80 F/7 APO Refractor
Thursday, December 11th, 2008Time: November 21,2008
Location:Yinna Mountain,Meizhou, GuangDong, China
Photographer: Wei Huang
Refractor：Intane Triplet 80mm F7 APO Refractor with Vixen 0.67x field reducer
Mount: Vixen Sphinx SXW
Camera: Canon 450D Baader IR Filter Modified, Cooling Modified
Guide: Mizar GT68(D=68mm,f=600mm)+ Vixen GA4+ Mizar Or6
Exposure: ISO800 composite of 16X8min ,4X2min,4X12sw
Processing: Deepskystacker, Photoshop CS
Weather : Clearness, Transparency fine.
Naked eye limiting magnitude: 6
m42