USA: ICOP member Mr. Jim Stamm said:
Despite clear skies, correct field, and proper focus, I was not able to
pick up the crescent in my C-8 telescope.
-Jim
From Accurate Times 5.1, By Mohammad Odeh:
* Settings:-
- Calculations for Rabeea' Thani 1427 AH Waning Crescent (Old, Morning).
- Crescent Visibility on: Friday 26/05/2006 CE
- Calculations are Done at User Time at: 05:20:00 LT
- Calculations are Topocentric.
- USA (AZ) Oro Valley, Long: -110:57:52.2, Lat: 32:25:13.5, Ele: 842.0, Zone:-7.00
- Summer time is: Off
- Height above mean sea-level affects rise and set events.
- Refraction Settings: Temperature: 18 °C Pressure: 1010 mb
- Delta T: 64.92 Second(s)
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- T. Conjunction Time: 26/05/2006 CE, 23:08:48 LT
- Julian Date at Time of Calculations: 2453882.01389
- Moorise: 04:29:11 LT T. Moon Age: -17H 48M 48S
- Sunrise: 05:14:16 LT Moon Lag Time: +00H 45M 05S
- T. Moon Right Ascension: +03H 33M 57S T. Moon Declination: +22°: 41':49"
- T. Sun Right Ascension: +04H 12M 45S T. Sun Declination: +21°: 09':11"
- T. Moon Longitude: +56°:38':30" T. Moon Latitude: +03°:23':06"
- T. Sun Longitude: +65°:07':18" T. Sun Latitude: -00°:00':06"
- T. Moon Altitude: +07°:34':56" T. Moon Azimuth: +67°:52':38"
- T. Sun Altitude: -00°:45':22" T. Sun Azimuth: +64°:09':24"
- T. Relative Altitude: +08°:20':18" T. Elongation: +09°:07':36"
- T. Relative Azimuth: +03°:43':14" T. Phase Angle: +170°:51':02"
- T. Crescent Width: +00°:00':12" T. Moon Semi-Diameter: +00°:15':58"
- T. Illumination: 00.64 % G. Horizontal Parallax: +00°:58':28"
- T. Magnitude: -04.88 G. Distance: 375033.74 Km
- According to Odeh Criteria, using the following values at Best Time:
* Moon-Sun Topocentric Relative Altitude =+08°:18':54" (08.3°)
* Topocentric Crescent width = +00°:00':13" (0.21')
* q = 2.46
* The Crescent Visibility is: Visible With Optical Aid, Could Be Seen By Naked Eye.