Sh2-101 Tulip

 Posted: Oct 19th, 2025
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Technical Info
Telescope/Lens: Askar SQA 106 мм f/4.8
Camera: ZWO ASI 2600 MC Pro
Mount: Ioptron HAE 29 C
Guide Scope: Askar 52 мм F4
Guide Camera: ZWO ASI 120 MM mini
Software: SharpCap 4.0, Siril, GraXpert, Adobe Photoshop
Exposure:
61 x 180" ISO/Gain: 100
Orange, Bortle 6 zone:
 Adygeya Stanica Dahovskaya, Russia
 Sep 23rd, 2025
3 h 3 m
634
Resolution: 1681x1285 px
Scale: 218 KB
Emission nebula in the constellation Cygnus. Located at a distance of about 6000 light-years. Apparent size 16' x 9'. Used Siril scripts for the first time: CosmicClarity_Sharpen CosmicClarity_Denoise. A much more interesting object located very close to the Tulip is the X-ray source Cygnus X-1, discovered in 1964. It is located at the site of a black hole. A blue supergiant star orbits around it, feeding a rotating accretion disk, as a result of which relativistic jets of high-energy particles (jets) are ejected perpendicular to the accretion disk. One of these jets collides with a denser region of the interstellar medium, forming a glowing curved bow shock, and this shock wave is my goal for the future. It is quite large, resembling a horseshoe, but the object is very faint. For anyone interested, type in Yandex: Cygnus x-1 and shock wave, it is quite impressive and there are photos.
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