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Old 07-02-2021, 09:34 AM
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PKay (Peter)
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RCW32 (Gum15) HST Test Image

I just wanted to see how much of each frequency was there.

23subs @ 5min each filter.

Standard HST palette (Si to Red, Ha to Green, O2 to Blue)

Ha is dominant, then Sii, and virtually no O2

Now I can only guess that spending more time on Sii is the way to go.

I read somewhere the ratio should be 6:1:3 (Sii Ha O2)

Any ideas?

Images attached show each channel (Ha, Sii, O2) and the SHO combination.
Attached Thumbnails
Click for full-size image (RCW32_SHO_Master_CT_PS.jpg)
180.1 KB45 views
Click for full-size image (RCW_Ha_Master_ABE_MLT_HT_PS.jpg)
170.3 KB21 views
Click for full-size image (RCW32_Si_Master_ABE_MLT_HT.jpg)
185.1 KB18 views
Click for full-size image (RCW32_O2_Master_ABE_MLT_HT.jpg)
93.5 KB20 views
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