Time Stamp | 2013/01/07 14:16:57 UTC - 14:56:57 UTC |
Place | Nhựt Thúng Pâu Observatory, Luogang, Canton, China |
Optics | APO Mamiya 200 mm f/2.8 lens set to f/5.6 |
Camera | modified Canon EOS 500D (ISO 800) |
Mount | Astrotrac TT320X-AG |
Exposure | 60 s x 30 frames |
Processing | images stacked in IRIS 5.59 with standard calibration procedure performed; fixed with IRIS 5.59, Fitswork V4.44 and Photoshop CS3 Extended; origin size and cropped; |
Comments | No sooner than I prepared to photograph the comet, clouds rolled in and totally blocked the view only 40-min later. Many of the images were affected by clouds. For astrometry and photometry results, please pay your visit here. |
Copyright © Man-To Hui 2013/01/19
Time Stamp | 2013/01/13 12:42:16 UTC - 16:03:04 UTC |
Place | Nhựt Thúng Pâu Observatory, Luogang, Canton, China |
Optics | APO Mamiya 200 mm f/2.8 lens set to f/5.6 |
Camera | modified Canon EOS 500D (ISO 800) |
Mount | Astrotrac TT320X-AG |
Exposure | 60 s x 192 frames |
Processing | images stacked in IRIS 5.59 with standard calibration procedure performed; fixed with IRIS 5.59, Fitswork V4.44 and Photoshop CS3 Extended; origin size and cropped; |
Comments | No standardized calibration of the color has been performed. So don't take the difference of coma's hue too seriously. For astrometry and photometry results, please pay your visit here. |
Copyright © Man-To Hui 2013/01/19