这就是那个美国业余牛人Russell Croman的又一力作,星系M106。观测版里介绍过他了,这里也上过他的月亮。再来一个,大家欣赏一下。
数据
Optics 20" f/8 RCOS Ritchey-Chrétien Cassegrain w/ Field Corrector.
Mount Software Bisque Paramount ME.
Camera SBIG STL-11000XM.
Filters SBIG Standard RGB.
Dates 11-30 April 2005.
Location Dimension Point Observatory, Mayhill, New Mexico.
Exposure LRGB = 300:150:90:180 minutes, plus six hours H-alpha.
Acquisition MaxIm DL/CCD 4, TheSky6, CCDAutoPilot2.
Processing MaxIm DL/CCD 4, Photoshop CS, GradientXTerminator.
|
|