6 replies to this topic

[Shaun_Slade]

I have a modified 1200d, afaik, the camera lets in IR below Ha. What would be the best clip in filter to use for getting rid of IR?

https://www.astrogea...=42272808501446

 

I see their modification with IR removal here is only a little more than the modification, how do they make it so much cheaper?

 

https://www.astrogea...=41844299661510

 

Thanks!

[Shaun_Slade]

This is uv ir blocking, much cheaper and called a luminance filter?

https://www.astrogea...ter-eos-aps-c-1

[michael8554]

Which mod has your camera had ?

 

If it's a Ha mod, what Astro Gear offers as their 1A mod, the filter that attenuates Ha is removed, a filter that attenuates UV/IR filter remains, so you don't need an additional filter.

 

If it's a Full Spectrum mod, what Astro Gear offer as their 1B mod, then IR, Visual, and IR are captured by the camera.

 

That mod is usually chosen if you want to use pollution filters or narrow band filters all the time.

 

Those filters may or may not also filter UV and IR, look at the spec of each one.

 

The 1B mod is cheapest because it doesn't involve the sometimes tricky separation of the camera filters.

Edited by michael8554, 06 May 2024 - 04:46 AM.

[Shaun_Slade]

Thank you!
I believe it is the full spectrum mod.
Here is a pic of the NA neb, if you're able to discern from it?!
 
 
 

[Shaun_Slade]

Here is the image...

Attached Thumbnails

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[michael8554]

1. "I believe it is the full spectrum mod."

 

Was the mod type not described when you bought the camera ?

 

2. All I can discern is that it's a great image, but perhaps there is some star bloat ?

 

Were you using any kind of filter, does it cut UV and IR ?

 

You need to cut UV/IR with a Full Spectrum mod.

[sharkmelley]

Thank you!
I believe it is the full spectrum mod.
Here is a pic of the NA neb, if you're able to discern from it?!

I can't tell anything from that image without knowing the processing steps used. 

 

Take a normal daytime photo outside.  Open the resulting raw file in a standard raw converter (e.g. Canon DPP, Photoshop, RawTherapee) and if you can make the colours and saturation look correct just by adjusting the colour temperature slider then you have an H-alpha mod and not a full spectrum mod.