project1

 
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bias and dark
 
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L
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R
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G, B, Ha同理
 
calibration for light
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align frames
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B: 3 frames
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left: avg_B, right: B
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R的叠加比较麻烦,0、2、3是一个方向,4、5、6是另一个方向,因此需要分别叠加。
import stack1
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flip data in x axis + y axis
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保存stack
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这时再将所有的图像import进astroimagej中,就可以正常进行align了。
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L、Ha进行同理叠加
由于L的第0001张有一个卫星线,因此采取中值叠加
Ha图像中,有三张偏移明显,已经无法align成功了,因此需要手动shift,并且align好,然后保存为新文件
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同时,其他张也需要预先align好,然后再把两边叠加起来
 
得到LRGBHa之后,需要预先align一下。
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AIJ on mac
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