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Sightings of Extremely Thin Crescents

Safar 1428: On February 18, 2007, crescent moon was seen at Karachi University Observatory, through 6" refractor telescope at 18:45 local time. This was the youngest crescent (21 hours 31 minutes) ever seen in the highly polluted city of Karachi.

Telescope Record Sighting in Karachi
Date Place of Sighting Age(hr) Elong./Alt.@Sunset
February 18, 2007 Karachi, Pakistan 21.5 12.2 Deg / 10.1 Deg
Vis.Curve

Rabi-al-Thani 1424: On May 31, 2003 the moon was seen in Logan UT and Mojave desert CA by binoculars only as expected by visibility curve to be seen by binoculars only.

Binocular Record on my web site for least Elongation/Altitude
Date Place of Sighting Age(hr) Elong./Alt.@Sunset
May 31, 2003 Logan, UT 22.7 10.6 Deg / 7.5 Deg
Vis.Curve

Muharram 1423: On Mar 14, 2002 the moon was seen in San Francisco CA by binocular then later by naked eye, when it was 24.7 hours old as expected by visibility curve to be spotted by binocular only, then later can be seen by nake deye.

Spotted by Binocular and later seen by naked eye
Date Place of Sighting Age(hr) Elong./Alt.@Sunset
Mar 14, 2002 San Francisco, CA 24.2 12.0 Deg / 7.5 Deg
Vis.Curve

Ramadan 1421: On Nov 26, 2000 the moon was seen in Georgetown, Guyana by naked eye, when it was 22.5 hours old as expected by visibility curve.

Naked eye sighting at Lowest Elongation & Altitude
Date Place of Sighting Age(hr) Elong./Alt.@Sunset
Nov 26, 2000 Georgetown, Guyana 22.5 10.9 Deg / 9.0 Deg
Vis.Curve

Rabi-al-Thani 1421: Rabi-al-Thani moon was seen in Malaysia and Jordan by telescope on Sunday, July 2. On the same date it was seen in Cape Town, South Africa, Guyana, and California, USA.It was just as predicted by calculations.

Telescope only: Malaysia's Sighting
Date Place of Sighting Age(hr) Elong./Alt.@Sunset
Jul 2, 2000 Kuala Lumpur Malaysia 16.1 9.5 Deg 7.4 Deg
Vis.Curve

Muharram 1421: Authentic sightings were reported from Terengganu Malaysia (telescope/Binocular), and with naked eye at Durban South Africa, and at Ghardaia Algeria on Wednesday, April 5, 2000.

Seen by Binoculars only - NOT by naked eye
Date Place of Sighting Age(hr) Elong./Alt.@Sunset
Apr 5, 2000 Terengganu, Malaysia 17.1 10.5 Deg / 8.3 Deg
Naked eye sighting
Date Place of Sighting Age(hr) Elong./Alt.@Sunset
Apr 5, 2000 Durban, South Africa 21.6 12.7 Deg / 9.1 Deg
Vis.Curve

Jumada-al-Thani 1420: On September 10, 1999, moon was seen in a telescope after a special preparation by Jordan Astronomical Society on a mountain in Jordan.
Telescope only: Mohammad Odeh and his team's Sighting
Date Place of Sighting Age(hr) Elong./Alt.@Sunset
Sep 10, 1999 Al-Shoubak, Jordan 17.9 9.8 Deg / 6.4 Deg

With special preparation, I (Khalid Shaukat) and my 16 year old son saw it with the binocular in Washignton DC metropolitan area on September 10, 1999. We could barely see it with the naked eye for a few moments. In Utah, Texas, Arizona and California, it was seen easily with the naked eye. It was just as shown by visibility curves.
Binocular used to find: Khalid Shaukat's Own Sighting
Date Place of Sighting Age(hr) Elong./Alt.@Sunset
Sep 10, 1999 Washignton DC 25.4 13.4 Deg / 7.5 Deg


Non-Sighting Proven when moon is 13-20 hours old

Dhul-Hijjah 1422: On Feb 12, 2002 the moon was not seen anywhere in contiguous USA, with special report of non-sighting by naked eye from San Jose and by binoculars from Richmond UT. This was the month of Eid-al-Adha, so hundreds of Muslims tried to see the moon. It was just as calculated shown by visibility curves.

Non-sighting at 18.1 hours Age
Date Place of Non-Sighting Age(hr) Elong./Alt.@Sunset
February 12, 2002 San Jose, CA 18.1 9.5 Deg / 4.4 Deg
Non-sighting with Binoculars at 17.4 hrs Age
Date Place of Non-Sighting Age(hr) Elong./Alt.@Sunset
February 12, 2002 Richmond, UT 17.3 9.1 Deg / 3.5 Deg
Vis.Curve

Ramadan 1421: On Nov 26, 2000 the moon was not seen in Australia, Asia, Europe, and Africa. At Cape Town, South Africa, it was 18.5 hours old and was not seen on clear horizon. In Guyana it was seen on Nov 26, 2000 as expected by visibility curve.

Non-sighting at 18.5 hours Age
Date Place of Non-Sighting Age(hr) Elong./Alt.@Sunset
Nov 26, 2000 Cape Town, S. Africa 18.5 9.2 Deg / 4.7 Deg
Vis.Curve

Sha'ban 1421: On October 27, 2000 the moon was not seen in North America. We have report by an astronomer from Trinidad that despite using observatory telescope and preparation ahead of time, it was still not seen on October 27. On October 28 it was seen in most countries around the world, all the way to USA. It was exactly as shown by the visibility map.

Non-sighting with telescope, at 13.8 hours Age
Date Place of Non-Sighting Age(hr) Elong./Alt.@Sunset
Oct 27, 2000 Port of Spain, Trinidad 13.8 8.4 Deg / 6.4 Deg
Vis.Curve

Rajab 1421: On September 27, 2000 the moon was, of course, not seen anywhere in the world. On September 28 it was still not seen in Bangladesh, India, Pakistan, or any east-ward country. However, on September 28 it was seen in South Africa, and many places all across USA. It was just as shown by visibility curves.

Non-sighting at 17.5 hours Age
Date Place of Non-Sighting Age(hr) Elong./Alt.@Sunset
Sep 28, 2000 Karachi, Pakistan 17.5 10.7 Deg / 8.1 Deg
Vis.Curve
Dhul-Hijjah 1420: The crescent moon was not seen anywhere in the continental USA on March 6. My calculations were saying that naked eye sighting was not possible in the continental USA. It was just as shown by visibility curves.
Non-sighting at 20 hours Age
Date Place of Non-Sighting Age(hr) Elong./Alt.@Sunset
Mar 6, 2000 San Francisco, CA 20.9 11.3 Deg / 7.2 Deg
Vis.Curve

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