Sharpless 2-101 the Tulip Nebula in Cygnus
Emission nebula with Cygnus X-1 Black hole
Uploaded 12/18/24

 

            
Here is Sharpless 2-101
            (The Tulip Nebula) in Cygnus, with the binary star that contains
            the black hole Cygnus X-1 arrowed in the second shot. Off to
            the left is the splashy open cluster NGC687. The entire field
            is filled with dim structured nebulosity.

            
Technical Data: 8"
            f/2 RASA astrograph, ASI2600mm + IDAS NBZ filter, RGB = 1 hours
            total, Happy Jack, Az. 

            
Select an image size for a larger view:

1400 x 1200

            
Select an image size for a larger view:

1400 x 1200


Instrument:  RASA 8" f/2
Mount:  Home Made GEM
Camera:  Color CMOS ASI2600 MC
Guider: ASI mini  w/80mm piggyback refractor
Exposure:  60m 
Location:  Happy Jack, Arizona, Elevation:  7000 ft.
Sky:  Seeing FWHM = 2 arcsec , Transparency 9/10
Outside Temperature:  45 F

Image Processing Tools: 
Maxim DL6:  Calibration
PixInsight:  Alignment, Stacking, Star Removal
Photoshop CS2:  Curves, Color Correction, Cleanup

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