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Sh2-101 & Cygnus X-1 Shockfront in Ha, 


Sh2-101 & Cygnus X-1 Shockfront in Ha
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Sh2-101 & Cygnus X-1 Shockfront in Ha

Technical card

Imaging telescopes or lenses: Teleskopservice TS Photoline 130/910 mm APO Triplet

Imaging cameras: ZWO ASI1600mmpro

Mounts: Skywatcher EQ6-R PRO Synscan

Focal reducers: Teleskop Service TSRED 379

Software: APP  ·  Adobe Photoshop CC2018

Filters: Baader Ha 36mm 7nm

Accessory: Lacerta Mfoc Motorfocus  ·  Lacerta MGEN II  ·  ZWO filter wheel 36mm 7slots electric

Frames:Baader Ha 36mm 7nm: 52x200"

Integration: 2.9 hours

Basic astrometry details

Astrometry.net job: 2836972

RA center: 19h 59' 51"

DEC center: +35° 28' 48"

Pixel scale: 1.059 arcsec/pixel

Orientation: 36.871 degrees

Field radius: 0.848 degrees

Resolution: 4588x3489

Locations: Balkon, Ascheberg, NRW, Germany

Data source: Backyard


Sharpless 101 - the so called Tulip Nebula - is an reflection and emission nebula region in the constellation Cygnus. Just outside the Tulip the shockfront of ionized gas driven by the energy of Cygnus X-1 and its companion star. Cyg X-1 is the strongest X-ray source kown so far. Cyg X-1 is considered a possible black hole.

The image shows the hydrogen-alpha emissions imaged through a Baader 7nm Ha filter.

ASI1600mmp and TS130/910 triplet apo with 0.79x reducer.

54 x 200s Ha

Astro Pixel Processor and Phoroshop CC2019



License: None (All rights reserved)

Sky plot

Sky plot


Sh2-101 & Cygnus X-1 Shockfront in Ha, 



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