WR 134 in Cygnus

WR 134 is a variable Wolf-Rayet star located around 6000 light years away from Earth in the constellation of Cygnus, surrounded by a faint bubble nebula blown by the intense radiation and fast wind from the star. It is five times the radius of the sun, but due to a temperature over 63,000 K it is 400,000 times as luminous as the Sun.
WR 134 was one of three stars in Cygnus observed in 1867 to have unusual spectra consisting of intense emission lines rather than the more normal continuum and absorption lines. These were the first members of the class of stars that came to be called Wolf-Rayet stars (WR stars) after Charles Wolf and Georges Rayet who discovered their unusual appearance. It is a member of the nitrogen sequence of WR stars, while the other two (WR 135 and WR 137) are both members of the carbon sequence that also have OB companions.

​(There is an interesting external page with information on WR134 HERE)

Imaging telescope: Takahashi FSQ130ED
Imaging camera: ASI 2600MM
Mount: Takahashi EM 400 Temma 2M
​Guiding telescope: Takahashi FS60CB
Guiding camera: QHY CCD QHY 5 II
Focal Extender / Reducer: None
Capture Software: Sequence Generator Pro, PHD 2
Processing Software: Astro Pixel Processor, PixInsight, Topaz DeNoise, Photoshop
Filters (50mm): Astrodon Ha (3nm), Astrodon SII (3nm) & Astrodon OIII (3nm)
Accessories: SeleTEK2 controlling Robofocus Focuser, ATIK EFW3

Original Image : 6240 x 4160
This Image (Max) : 3000 x 2000
Dates: 26th May – 27th May 2022

Frames:
Astrodon Ha 18 x 10′
Astrodon SII 15 x 10′
Astrodon OIII 28 x 10′

Total integration = 10 Hours 10 Mins

Autore: Brendan Kinch (sito)