這是第二次在論壇PO圖,請多指教 .
以下器材皆為GSO RC8"/F9, EM200, 離軸導星+QHY5. QSI583 CCD (-20T), DSS疊圖, MaxIM + PS6後製.
1.M51,超新星, 2011-6-4, L=15mins*6,中心裁切
![](https://lh5.googleusercontent.com/-S9KsDSYJQnQ/Te-a80taWaI/AAAAAAAADj0/jnC9GSfKYCE/M51-2011-6-3-Star%252520burst-F1800-L-1h45m.jpg)
2011-5-6,鳶峰, L=6mins*19,中心裁切
![](https://lh4.googleusercontent.com/-HwfXP6CmMFc/Te-a9CioD2I/AAAAAAAADj4/ZARTHT-srHc/M51-2011-5-6-%252520No%252520Star%252520burst-F1800-L-115m.jpg)
2. M16, 2011-6-4,5, 鳶峰,SII=15mins*4, OIII=15mins*4, 新竹,5/29,Ha=15mins*19
![](https://lh6.googleusercontent.com/-A7Vy0UDMNn0/Te-fKOi-sYI/AAAAAAAADkU/WN9rqz4Ub_o/s1152/M16-HaS2O3-6h45-ESA-Trim-raw-5-1600jpg.jpg)
3. M20, 2011-6-5, 鳶峰, L=15mins*10, Ha=15mins*11, G/B各=15mins*4
![](https://lh6.googleusercontent.com/-0EjxChHqpFA/Te-deQpRJkI/AAAAAAAADkM/r7wCXAGjAfE/s1152/M20-LRGB-PS-raw1-trim-raw-3.jpg)
後記: RC8"/F9 還是要加Reducer周邊星點才比較好,這次太鐵齒,不用平場鏡,周邊星點都拉長了