冬至的Ha太陽

[kingyo]

2013-12-22 HKT 13:00
Telescope: Coronado PST
Mount: Skywatcher AZ mount
Camera: DMK41AU02.AS
Frame : 15 fps. x 5 sec ~ stacked 75 frames.
total exposure: (1/900) x 75 frames = 0.0833 sec
gain: 480
gamma: 65