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June 2023, 2023 Charles Lillo June 2023, 2023 Charles Lillo

The jewels of Cygnus

Within the expansive boundaries of the constellation Cygnus, two remarkable astrophotography targets beckon sky gazers. The Crescent Nebula (NGC 6888) unveils its ethereal beauty, emanating from the powerful stellar winds of its central Wolf-Rayet star. The nebula's distinctive shape resembles a delicate crescent, bathed in hues of magenta and blue. Its intricate filaments, sculpted by the star's intense radiation, paint a captivating celestial portrait.

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2022, January 2022, 2022 Monthly Winners Jason Matter 2022, January 2022, 2022 Monthly Winners Jason Matter

The Spaghetti Nebula -SIMEIS 147- SH2-240

Image Description and Details :

It took me 2 months to acquire enough lights to make anything out of it.

Indeed, I shot 14 winter nights between November and January (5 of which played with my nerves with the fog lifting at nightfall without being able to do anything).

So I shot from the Vosges, I camped in 0 ° C in Alsace, I shot from my astrobro Christope in Moselle, I went south of France to Valensole and I moved on several spots on several nights in this region.A total of 3,600 km of road to acquire the 55 hours of lights retained which consist of:

Tile 1:
Ha -> 71x600 ’’
Oiii -> 78x600 ’’
R G B -> 90x10 '' per filter

Tile 2:Ha -> 94x600 ’’
Oiii -> 78x600 ’’
R G B -> 90x10 '' per filter

While the acquisition was long and complex, so was the processing, I had to work with 400GB of data for a final image of 15 000 x 12 000px.Suffice to say that the PC has smoked!
Once again a big thanks to Christophe who illuminated me with his advices during the processing and gave me invaluable help, thanks also to Nico for his always correct eye!

Technical part:
Takahashi FSQ106 EDX4 with 645-QE super reducerAsi 2600MM Pro
Barilla (Antilla) RGB + H and O 3nm filters
Eq6r-pro
Altaïr 60/225 guide + asi 290mm mini
Sky bortle 3-4

Acquisition: N.I.N.A + Phd2
Processing: Siril + PixInsight + Photoshop

Taken in several parts of France between 2021/11/10 and 2022/01/03

Copyright : Yann SAINTY

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