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Astronomik or Lumicon OIII filter

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Mark at Beaufort    2,627

I have owned both Astronomik and Lumicon (old version) O-III filters. I have sold the Lumicon but kept the Astronomik which tells you my opinion.

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YKSE    2,094
14 hours ago, 25585 said:

The Widescreen Centre sell Astromik filters, including a (more expensive but Lumicon-level priced) 6nM one. 

I do use my 1.25 OIII more than UHC by a margin, so I guess it's the one to go for. 

I made this Xcel file some time ago based on the actual spectrum measurement of nebulas, OIII is clearly the most useful one for planetary nebulas.

 

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25585    193
52 minutes ago, Mark at Beaufort said:

I have owned both Astronomik and Lumicon (old version) O-III filters. I have sold the Lumicon but kept the Astronomik which tells you my opinion.

I am keeping my old Lumicons! But when the Astromik arrives I will do a comparison with all 3. 

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Ricochet    535
4 hours ago, YKSE said:

I made this Xcel file some time ago based on the actual spectrum measurement of nebulas, OIII is clearly the most useful one for planetary nebulas.

 

Nice! Thanks for sharing this, I must have missed it the first time around.

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25585    193

Hoping to try it out on the Crab Nebula M1 as well as M42. 

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John    18,080

It's not too late the catch the Veil nebula !

The Owl nebula (M97) also really "pops" with an O-III filter.

 

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