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Equipment Discussions >> Equipment

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spongebob@55
scholastic sledgehammer
*****

Reged: 12/26/11

Loc: Bergen Co. New Jersey
DGM Optics Nebula filter- VHT or NPB Nebula type
      #5556230 - 12/05/12 07:13 PM

Just wondering what your input/advice would be on these two types of nebula filters by DGM. Evidently the VHT lets through more background stars? I have a 127 refractor and a 11" SCT. Live in a white light pollution zone, but travel to a dark site maybe 1x a month. Thanks
Bob


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Danman53
Vendor (DGM Optics)


Reged: 11/17/11

Re: DGM Optics Nebula filter- VHT or NPB Nebula type new [Re: spongebob@55]
      #5556640 - 12/05/12 11:08 PM

Quote:

Just wondering what your input/advice would be on these two types of nebula filters by DGM. Evidently the VHT lets through more background stars? I have a 127 refractor and a 11" SCT. Live in a white light pollution zone, but travel to a dark site maybe 1x a month. Thanks
Bob




Hi Bob,

I think the hands down first response would have to be the NPB. The dark site views will be excellent with both scopes and I would think at home with the 11" SCT, the NPB would be the better choice.

If you had only the refractor you might consider the VHT, but with the SCT the narrower NPB will give you the better views at home, plus the excellent dark site views. And that`s not to say the refractor wouldn`t benefit from the NPB too, only that the bigger scope will see the most gains.

Dan McShane


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MrFancypants
member


Reged: 07/05/12

Loc: Swift Current, SK
Re: DGM Optics Nebula filter- VHT or NPB Nebula type new [Re: Danman53]
      #5556981 - 12/06/12 07:31 AM

I would listen to Dan. He seems knowledgeable about those filters.

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spongebob@55
scholastic sledgehammer
*****

Reged: 12/26/11

Loc: Bergen Co. New Jersey
Re: DGM Optics Nebula filter- VHT or NPB Nebula type new [Re: MrFancypants]
      #5557152 - 12/06/12 09:40 AM

Thanks, I need to get one on order. I've been missing a lot of great nebulae and look forward to seeing them now.
Thanks for the quick response.
Bob


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Danman53
Vendor (DGM Optics)


Reged: 11/17/11

Re: DGM Optics Nebula filter- VHT or NPB Nebula type new [Re: MrFancypants]
      #5557157 - 12/06/12 09:44 AM

Quote:

I would listen to Dan. He seems knowledgeable about those filters.




It`s uncanny .... almost like I designed em` or something. I felt as though I was channeling Dan McShane ....


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spongebob@55
scholastic sledgehammer
*****

Reged: 12/26/11

Loc: Bergen Co. New Jersey
Re: DGM Optics Nebula filter- VHT or NPB Nebula type new [Re: Danman53]
      #5557183 - 12/06/12 10:01 AM

well then you'll be happy when you see your incoming order box as of 9:58 EST.

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