HOO imaging of NGC6888
- R : H-alpha 100%
- G : O3 65% + H-alpha 35%
- B : O3 80% + H-alpha 20%
# Date : 2019/07/02 (Hongchun, South Korea) 2019/07/04 (Hwachun, South Korea)
# Equipment
- Mount : Homemade Equator (Strain wave reduction gear, http://www.nightsky.kr/xe/Info/5240 )
- Telescope : Newtonian 10inch (F3.6 with 3inch Coma corrector)
- Camera : QHYCCD 695a with Astrodon H-alpha, O3 filters
# Exposure : H-alpha 600sec x 16, O3 600Sec x 12
# Processing : Pixinsight, Photoshop
Abell 2151
