큰곰자리에 있는 M81을 조금 진하게 잡으려고 했는데.  역시나 시간이 부족해서.....

Info

# Date : 2014/12/25

# Location : Hongchun, South Korea

# Equipment

  * Mount : Mesu-200

  * Telescope : 10inch Astrograph F3.6  (with ADT 3inch coma corrector)

  * CCD : StarlightXpress SXVR-H694M (-30C), LRGB filters

# Processing : Maxim DL, Pixinsight 

# Exposure  

   *  L 600 Sec X  7 (1 bin)   * RGB 300 Sec X 3 (each color, 1 bin)