The  Iris Nebula in Cepheus
Stellarvue SV80 f/6 Astrograph
Uploaded 11/24/23

 
Here
            is another new target to share with you from our dark high altitude
            observatory in Happy Jack Arizona. This is a 2.5 hour exposure
            with an 80mm f/4.7 Stellarvue astrograph and shows the surrounding
            yellowish illumated dust in this area. Something to think about,
            the Iris nebula as it is called is 6 light years across - some
            36 trillion miles in size. We are indeed space dust by comparison.
            Tech data: 80mm f/6 + 0.8x televue coma corrector, ASI071mc pro
            CMOS, 2.5h total integration time.

            
Select an image size for a larger view:

1400 x 1200


Instrument:  SV80S Astrograph with Televue 0.8x FF
Mount:  Home Made GEM
Camera:  ZWO ASI071MC Pro Color CMOS
Guider: ZWO ASI290 mini  w/4" f/10 SCT guidescope
Exposure:  2.5h
Location:  Happy Jack, Arizona, Elevation:  7000 ft.
Sky:  Seeing FWHM = 2 arcsec , Transparency 8/10
Outside Temperature:  35 F

Image Processing Tools: 
Maxim DL6:  Calibration, Color Conversion
PixInsight:  DBE, Curves, Stacking
Photoshop CS2:  Cleanup

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