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SH2-101 - The Tulip Nebula with Cygnus X-1 Bow Shock, 



    
        

            Michael Feigenbaum
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SH2-101 - The Tulip Nebula with Cygnus X-1 Bow Shock

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SH2-101 - The Tulip Nebula with Cygnus X-1 Bow Shock, 



    
        

            Michael Feigenbaum
Powered byPixInsight

SH2-101 - The Tulip Nebula with Cygnus X-1 Bow Shock

Acquisition details

Dates:
June 29, 2022 ·  July 1, 2022
Frames:
Antlia EDGE H-alpha 4.5nm: 66×300(5h 30′) (gain: 120.00) 0°C
Baader O-III 8.5nm: 72×300(6h) (gain: 120.00) 0°C
Integration:
11h 30′
Darks:
25
Flats:
32
Flat darks:
32
Avg. Moon age:
1.25 days
Avg. Moon phase:
2.63%

RA center: 19h59m38s.92

DEC center: +35°2533.5

Pixel scale: 1.958 arcsec/pixel

Orientation: -0.116 degrees

Field radius: 1.329 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 4040x2746

File size: 14.3 MB

Locations: Papago Butte, near Maricopa, AZ, United States

Data source: Backyard

Description

Here we have a crack at The Tulip Nebula also known as SH2-101 in Cygnus. This is an interesting HII emission nebula located about 6,000 ly away. Visible in the image is the bowshock associated with Cygnus X-1, which is a strong x-ray source and widely accepted as a black hole.

I did this one using a bi-color narrowband collection of data and had intended to do much more integration on this subject, but wow, the Arizona monsoon is here and there has been no opportunity to image. I wanted at least another full night of Oiii and some Sii but no luck. Each day is very similar, fairly clear during the day which gives some hope that perhaps a clear night will present itself but alas, with dusk comes the clouds that last until dawn when it clears again...

I processed this using again, the Frank Breslawski "Crazy Formula" for combining the channels. I find the resulting color palette to be more pleasing to the eye than simple HOO or even SHO. I wanted to be sure the bow-shock was captured and would not have published this without it. I was surprised that it showed so well in my Ha integration a shown here as Rev. I. I also included a starless HA image as well just because I was really pleased with the level of detail I was able to pull out of the image. But I think I really need to consider an upgrade for my Oiii filters. I cannot seem to escape reflections/halos and although they can be somewhat mitigated in post processing, the results, at least for me, leave much to be desired.

I have since purchased the Starizona Apex 0.65x reducer/corrector that I intend to use with this StellarVue telescope in the future. I think that is the highest and best use for this instrument and will make a fine wide-field complement to the C9.25 and 8" Newt.

Anyhow, I wish you all clear skies and good health and hope you like this one. Comment and criticism always welcome!

Comments

Revisions

    SH2-101 - The Tulip Nebula with Cygnus X-1 Bow Shock, 



    
        

            Michael Feigenbaum
    Original
    SH2-101 - The Tulip Nebula with Cygnus X-1 Bow Shock, 



    
        

            Michael Feigenbaum
    I
  • Final
    SH2-101 - The Tulip Nebula with Cygnus X-1 Bow Shock, 



    
        

            Michael Feigenbaum
    Q

I

Description: HA image

Uploaded: ...

Q

Description: Crazy Formula

Uploaded: ...

Sky plot

Sky plot

Histogram

SH2-101 - The Tulip Nebula with Cygnus X-1 Bow Shock, 



    
        

            Michael Feigenbaum