Caldwell 49 - Roset...
 
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Caldwell 49 - Rosette Nebula in bi-color  

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(@tschuh)
Brown Dwarf Customer
Joined: 2 years ago
Posts: 6
August 21, 2020 18:14  

I took this in November of last year.  Ha and O-III data from my Bortle 9 back garden north of Dallas, Texas, USA.

5 minutes x 30 each Ha and O-III
  R: Ha
  G: (Ha/O-III)
  B: O-III

QHY 168M w/ Baader 7nm filters
AstroTech AT65EDQ quadruplet f/6.5 - 420mm f/l

 

49105109618 124090a71e o

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(@vincent-mod)
Universe Admin
Joined: 3 years ago
Posts: 2665
August 22, 2020 16:26  

Wow, given you say it's bortle 9, that is a very nice image! Narrowband definitely helps here, but are you sure it's as bad as 9? 🙂


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(@tschuh)
Brown Dwarf Customer
Joined: 2 years ago
Posts: 6
August 25, 2020 16:47  

@vincent-mod

Pretty certain, yes. 🙂  To make matters worse, I have about 1.5m sq.m of illuminated concrete within 3km of my house.  At least according to Google Maps.

image
This post was modified 3 months ago by tschuh

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(@vincent-mod)
Universe Admin
Joined: 3 years ago
Posts: 2665
August 25, 2020 17:00  

Amazing, impressed with the result then even more!


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