Spectra of Winter and Carbon Stars
10" Newtonian (stopped to 4") and Star Analyzer
Uploaded 3/3/18

 

            
A collection here
            of some winter bright stars, and three carbon stars. Many of
            the Carbon stars are quite faint, around 6 -8th magnitude and
            required 4 seconds or longer for each frame. AVI's and sets of
            BMP's for the exposures longer than 1/4 second combined with
            a one star registration in Registax 6.

            
The data is in
            two sets. First we show the actual image that has been stretched
            in Photoshop to show the star and its spectra. Then the calibrated
            scan in Rspec to show the wavelengths.



            
 Stars of Orion:




























Stars of Canis Minor:








Stars of Cancer:








Stars of Auriga:





Instrument:  10 inch f/3.9 Orion Astrograph Newtonian
Grating:  Star Analyzer  100 lpmm
Mount:  Astrophysics 1200 QMD
CCD Camera:  DMK41 Imaging Source
Location:  Payson, Arizona, Elevation:  5150 ft.
Sky:  Seeing FWHM = 5 arcsec , Transparency 9/10
Outside Temperature:  25 F
Image Processing Tools: RSpec for spectral extraction, Photoshop CS2

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