M27

Place: Lulin observatory, Taiwan

Time: 2017/08/13

Telescope: LOT

Diameter: 1000mm

Focal length: 8000mm

CCD: U42 2048*2048

L=60s*10

R=60s*10

V=60s*10

B=60s*10

Process: RBB as RGB(like ＨＯＯ)

Software: Maxim DL+Photoshop

Done