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SH2-101   The Tulip Nebula with Shockwave, 


            Carl Weber
SH2-101   The Tulip Nebula with Shockwave
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SH2-101 The Tulip Nebula with Shockwave

Technical card

Dates:June 8, 2020

Frames: 423x300"

Integration: 35.2 hours

Avg. Moon age: 17.63 days

Avg. Moon phase: 91.01%

Basic astrometry details job: 3688845

RA center: 19h 59' 18"

DEC center: +35° 21' 3"

Pixel scale: 0.827 arcsec/pixel

Orientation: 89.634 degrees

Field radius: 0.444 degrees

Resolution: 2656x2813

Locations: SkyStar Observatory, Ramona, CA, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


An astronomy club friend challenged a few of us to image the shock wave in Cygnus. This shock wave is caused by the Black Hole associated with the Cygnus X-1 Xray source.
The wave is very faint and is the blue arc at the top of the image. It took a very long exposure to enable to show.

88x300 sec SII
150x300 sec OIII
185x300 sec Ha
Total exposure time 35.25 hours

50 each flats, darks and bias



Carl Weber
License: None (All rights reserved)

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Sky plot


SH2-101   The Tulip Nebula with Shockwave, 


            Carl Weber