Simeis 147 (Sh2-240...
 
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20th March 2020 - APP 1.078 has been released !

2019 November: Complete LRGB Tutorial of NGC292, The Small Magellanic Cloud by Christian Sasse, Astronomer in Charge of iTelescope.net

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Simeis 147 (Sh2-240) supernova remnant - 3x2 mosaic  

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(@einari)
White Dwarf Customer
Joined: 2 years ago
Posts: 17
February 23, 2020 15:45  

After 4 month I finally decided to en this project.

Initially I thought I would take 10 hours per panel, so total of 60 hours, but in the end I got 'only' 45 hours.

Weather in Spain (where we have remote observatory) has been unusually poor this winter, hence the long project. Also this was a joint project with Aarni who also used his imaging nights on this.

Image info:
Sky-Watcher Esprit 100ED, 10 Micron GM 1000 HPS, Atik 460EX, 1400min Ha, 1400min OIII (so HOO palette).

Some words on processing.
Most likely I did processing the 'wrong way' to save processing steps, but luckily I had so good data that I got reasonable result.
So I make 2 processing runs. One for each channel.
I just loaded all 95 files for all 3x2 mosaic pieces together with calibration files and let APP do its magic.
It took over 3 hours to process for each channel, but I think it was lighter task (for me) than process each mosaic panel individually.

Hope you like the result.
Myself I'm glad I have now done this and go forward to normal 'easy' project.

sh2 240 93x15m Ha 95x15m OIII 3x2 mosaic half

 

This topic was modified 1 month ago by einari

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(@kijja)
Neutron Star Customer
Joined: 2 years ago
Posts: 103
February 24, 2020 07:19  

@einari

This is very nice! I admire your great effort in doing this image. Thank you for sharing.

Clear skies,

Kijja

 


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(@wvreeven)
Neutron Star Customer
Joined: 2 years ago
Posts: 162
February 24, 2020 16:54  

Incredible image. Well done!

 

Wouter


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(@mabula-admin)
Quasar Admin
Joined: 3 years ago
Posts: 2366
February 24, 2020 20:42  

Superb result @einari 🙂

Thank you very much for sharing !

Mabula

Main developer of Astro Pixel Processor and owner of Aries Productions


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