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March 24, 2019: H-alpha detail shot


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I got out the H-alpha kit for the first time in ages, and given passing clouds thought I would just get the detail around the AR and be done with it. That worked out quite well:

Grey scale:

Sun_Halpha_150045_lapl4_ap478LR.jpg.a00662f08753fb1f02e5eaef1195911d.jpg

Pseudo colour:

Sun_Halpha_150045_lapl4_ap478LRcolour.jpg.81cd448647d1d54dd520d0cf8cacc6c3.jpg

Part inverted:

Sun_Halpha_150045_lapl4_ap478LRpinv750.jpg.2d8ae1a4d44c65e90e61ed239b406456.jpg

Part inverted + pseudo colour:

Sun_Halpha_150045_lapl4_ap478LRpinv750colour.jpg.ab61dd37a95de09b93949089816dc11e.jpg

I haven't used my Solar Spectrum 0.3 Å H-alpha filter for what seems like ages, and I was a bit worried whether it would have deteriorated in storage (this can happen). It seemed to me that the last few instances I had used it, I couldn't use as much of the full field of view of the ASI174MM camera as before, hence my worries. Much to my surprise, the useful area of the filter turned out to be much larger than I have ever seen it. Odd, that, but I ain't complaining

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