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M8 M20 Redo with PixInsight

文章發表於 : 2015-07-06, 22:29
willis
This two DSOs were processed previously with DSS which I've been using for a long time.
viewtopic.php?f=17&t=4186

As many astrophotographers used PixInsight and drawn my attention for sometime. But for a slow learner and slow respondent like me, I needed to wait until the end of academic year! Anyway, I found that PixInsight is something like PhotoShop, which is huge in functions and the learning curve is long. This is my first piece of PI work. I used Registration, Dynamic Background Extraction, Background Neutralization and Color Calibration etc. In handling this image, I found that Background Neutralization is particularly useful! The result is simply great and make the final touch with Photoshop much more easy!

Re: M8 M20 Redo with PixInsight

文章發表於 : 2015-07-06, 22:30
社長
Willis 修成正果了 :D

十分十分之好!

可恨沒拍好平場,那些塵埃....

Re: M8 M20 Redo with PixInsight

文章發表於 : 2015-07-07, 11:48
willis
有做平場,但隔了一段日子才拍,連塵埃的位置也變了… :?

Re: M8 M20 Redo with PixInsight

文章發表於 : 2015-07-07, 12:01
社長
willis 寫:有做平場,但隔了一段日子才拍,連塵埃的位置也變了… :?


你拍了 3x25即75分鐘,那對同一個天區多拍一倍,最好是兩倍,然後用averaged sigma clipping疊加,再調一下系數便可除去那些塵埃。