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International Astronomical Center

ICOP

Visibility of Jumadal Thani Crescent
(1424 AH)

Last Updated 10 April 2004
In this page:-

When to Observe ?

The geocentric new Moon will occur Inshalla on Tuesday (29 July 2003), at 06:53 UT. On this day , the program Moon Calculator by Dr. Monzur Ahmed -according to Yallop criterion- showed that it is possible to see the crescent by optical aid from parts of North America, and the Northern parts of South America, and by naked eyes from Central America and the Eastern parts of Pacific Ocean.

According to the actual sighting of the crescent, the start of Jumadal Thani should be on Wednesday 30 July 2003 in the America Continents, or on Thursday 31 July 2003 in the rest of the world.

The visibility parabola as plotted by the program Moon Calculator

- Results of seeing the crescent, and the first day of the month in different countries will be added here Inshalla as we receive the reports from ICOP's members. If you wish to be a member in ICOP, or to know more about it, kindly click here.

Results of Observation

So far, the earliest sighting of the crescent was on Wednesday 30 July 2003 from Iran by ICOP member Mr. Mohammad Hosein Almasi.

Tuesday 29 July 2003:

  • Nigeria
    • ICOP member Mr. Usman Duhhu: Not seen. "It was raining, so we did not try sighting the crecsent here in Bauch."

Wednesday 30 July 2003:

  • Iran
    • ICOP member Mr. Mohammad Hosein Almasi: Seen.

  • Algeria
    • ICOP member Mr. Bankih Kacem: Seen. "The Jumada II 1424 cresent was observed easly with naked-eyes and binoculars.05 members of Amnir club was present in Merkich station."

  • South Africa
    • ICOP member Mr. Abdurrazak Ebrahim: Seen. "Dark clouds on the horizon up to altitude 4 degrees. Field of vision clear. The Hilaal was sighted 18 minutes after sunset. The planet Uranus became visible (to the left and above the visible crescent) to the naked eye at 18h30 (25 minutes after sunset)."

  • Nigeria
    • ICOP member Mr. Usman Duhhu: Not seen. "It was cloudy, so we did not try sighting the crecsent here in Bauch."

  • Germany
    • ICOP member Mr. Gerhard Ahmad Kaufmann: Not seen. (cloudy)

  • Trinidad and Tobago
    • ICOP member Mr. Abdurrahman Ali: Seen.

  • USA
    • ICOP member Ms. Mary Singer: Seen. "Tonight I sighted the new lunar crescent with 10x50 binoculars at 20:22 Pacific Daylight Time from Spokane, Washington, USA. (8:22PM local time). Local sunset had not quite occurred. Crescent was approx. 40+ degrees above the horizon. Horns pointing away from the sun at approx. 7:15 and 13:15. Was able to have naked eye sighting at 20:30 *This was one of the "shorter" appearing crescents I have seen. Although I could see the horns, they were noticeably fainter/dimmer in appearance than the main arc of the crescent itself."

The OFFICIAL First Day in Different Countries

Wednesday 30 July 2003: -

  1. Saudi Arabia
Thursday 31 July 2003: -
  1. South Africa
  2. Trinidad and Tobago

The Accuracy of The Astronomical Calculations

To know about the accuracy of the astronomical calculations, then please click here

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