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What Filters sould I use for IR deep sky imaging?

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#1 Startoucher 101

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Posted 11 July 2024 - 04:15 AM

Hello Cloudynights community! Yesterday I started a new topic about IR astrophotography. Well I've seen lots of amateur imagies taken with infred filters for deep sky. So, I wondered; What is the best(relatively cheap) filter for Infrared Deep sky Astrophotography?

 

Thank you Clear Skies!


Edited by Startoucher 101, 11 July 2024 - 04:53 AM.


#2 ngc2218

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Posted 11 July 2024 - 08:11 AM

Told you in the last thread, you can use near infrared photometric filters, be it JC I, or Sloan I or Sloan Z.

#3 Startoucher 101

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Posted 11 July 2024 - 08:18 AM

Really it was that easy? Thank you!


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#4 ngc2218

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Posted 11 July 2024 - 08:21 AM

Yes but keep in mind we are talking about near infrared wavelengths not infrared. Due to the atmosphere you can’t image in infrared. I use a Sloan I filter and it showed some red cool (as in low temperature) stars that are otherwise not visible and that’s about it
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#5 Startoucher 101

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Posted 11 July 2024 - 10:24 AM

Oh that's really cool. Can I see somewhere your imagies?



#6 Tapio

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Posted 11 July 2024 - 10:33 AM

If seeing more stars instead of nebula is interesting then go for it.

#7 Startoucher 101

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Posted 11 July 2024 - 11:13 AM

Well I like to see the universe with different eyes;https://www.astrobin.../full/gw70gu/B/


Edited by Startoucher 101, 11 July 2024 - 11:14 AM.



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