Object: The Great Globular Cluster in Hercules
Optics : Astro Tech RC8 Carbon f/8
Mount : EM-200 Temma 2.
Guiding : Borg 77 / Meade DSI 2 Mono controled by MaxIm DL
Image Processing: MaxIm DL 5, Adobe Photoshop CS5
Detecter 1 : Sbig ST-8300M with Starlight filter wheel
Exposure 1 : L (Astronomic) - 900s x 8 (-30C)
Location1 : Hongchun, Gangwon-do, Korea
Date 1 : Feb., 18, 2012 (GMT+9)
Detecter 2 : QHT8
Exposure 2 : RGB (LPS-P2) - 600s x 4
Location 2 : Ansung, Gyeonggi-do, Korea
Date 2 : Feb., 16, 2012 (GMT+9)
![M13_C_600-RGB_s.jpg](http://www.sac-club.co.kr/xe/files/attach/images/42933/191/110/787ef70400c77f0814e75631cca10936.jpg)