with the Sun above the horizon
Regulus was easy visually in the eyepiece against a blue sky. It is magnitude 1.41, and spectral class
B7V. The poor seeing did not produce such a round star image, but shows how bright it is in the daytime.
Instrument: 12.5" f/5 Newtonian
CCD Camera: Vesta Cam Pro with Sony Sensor
Location: Payson, Arizona
Elevation: 5150 ft.
Sky: Seeing FWHM = 5 sec Transparency 8/10
Outside Temperature: 90F
Processing Tools: Photoshop, Registax
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