![abell2151.jpg](http://www.sac-club.co.kr/xe/files/attach/images/358139/232/363/0a31ffd4374292344e717e6845c1af89.jpg)
Abell 2151 헤라클레스자리 은하단
2019. 4. 3~4. 4 강원도 홍천군 내면 방내리관측소(-6°C)
GSO RC8 (F8) / ZWO ASI183MM Pro(-30°C gain-150 offset-10) / Ioptron IEQ45 Pro
Off Axis Guider TSOAG9 / QHY5L-II-M / PHD2 guiding
Optolong RGB 각 3장 / 2x2 bin / 600.0 sec / dark 20 / bias 20
Optolong UV/IR 17장 / 1x1 bin / 600.0 sec / dark 20 / bias 20
Astro Photography Tool 촬영, DeepSkyStacker 합성, Photoshop 보정