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Al-MARSHAD: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan
Published by Universitas Muhammadiyah Sumatera Utara
ISSN : 24425729     EISSN : 25982559     DOI : -
Core Subject : Science, Education,
Astronomy Education
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan, published by the Observatorium Ilmu Falak, University of Muhammadiyah Sumatera Utara (UMSU), Medan, Indonesia, which includes articles on the scientific research field of Islamic astronomy observatory and others. Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan accepts manuscripts in the field of research includes scientific fields relevant to: Islamic astronomy observatory and others. Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan published Twice a year in June and December.
Arjuna Subject : -
Articles 6 Documents
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Search results for , issue "Vol 10, No 1 (2024): Al-Marshad" : 6 Documents clear
Lunar Position Calculation Algorithm With Truncated ELP/MPP02 Series Abdillah, Yusrifal Fais; Dzulikrom, Muhammad Muadz
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 10, No 1 (2024): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v10i1.16616

Abstract

The truncated ELP/MPP02 series is a series of lunar position calculations based on the ELP/MPP02 theory developed by Chapront and Francou in 2002. This series reduces the lunar correction data, reducing the number of corrections from 35,901 to 253 data points, which are used to calculate the ecliptic longitude, ecliptic latitude and distance of the Moon from the Earth. The conclusions of this research are as follows: First, the calculation of lunar coordinates with the truncated ELP/MPP02 series involves the calculation of ecliptic longitude (L), ecliptic latitude (B), and the distance of the Moon from Earth (R) using the provided periodic terms, and then correcting for Δλ and Δψ to calculate the apparent position of the Moon. Secondly, the truncated ELP/MPP02 series has a maximum error of 5'' for L, 1.26'' for B and 2.43 km for R in the time range 0 AD to 3000 AD. In the case of L, B and R, these errors do not exceed 5', 1' and 14 km respectively when calculations are made between 3000 BC and 1000 BC. For lunar and solar eclipses, the series shows an accuracy of 5.8 seconds for lunar eclipses in the time range 2000 AD to 2050 AD, and 4 seconds for solar eclipses.
Application of Modulo and Zeller Concepts in Determining the Beginning of Ramadan and the Beginning of Shawwal in 1443 H-1447 H Juliansyah, Muhammad Farhan; Sajidah, Hanah Dewi; Wahdani, Lutfi; Ramadhani, Muji Indah Rahayu; Surur, Agus Miftakus
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 10, No 1 (2024): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v10i1.17541

Abstract

This study aims to calculate the estimate of when the beginning of the month of Ramadan and the month of Shawwal. In addition, it is also used to find out whether there are differences and similarities when determining the beginning of the month of Ramadan and the month of Shawwal using the mathematical concept of modulo 7 and Zeller's congruence. This research is a qualitative research with a literature study approach to investigate scientific literature related to the concept of modulo and Islamic calendar calculation methods. This research focuses on the concept of modulo in determining the beginning of Ramadan and Shawwal. The results of this study indicate that using the calculation of Zeller's congruence is more precise or closer than using the calculation of the modulo 7 concept seen from the 1443 H-1447 H calendar. This research provides an important contribution in understanding the calculation of the Islamic calendar, especially in determining the beginning of Ramadan and Shawwal with the mathematical concepts used such as modulo
Imkanur Rukyat Mabims 3-6,4 Criteria According to the Hisab Rukyat Team of Riau Islands Province’s Viewpoint Angkat, M. Arbisora; Putra, Rizki Ananda
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 10, No 1 (2024): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v10i1.17139

Abstract

The purpose of this research is to determine the implementation of Imkanur Rukyat MABIMS 3-6.4 Criteria in Riau Islands Province and to find out the viewpoint of Hisab Rukyat Team of Riau Islands Province regarding this criteria. This research is qualitative research using Purposive Sampling Techniques to determine informants. In implementation, this criteria has not provided positive results because the documentation of rukyatul hilal activities carried out by the Hisab Rukyat Team of Riau Islands Province from 2022 to 2023 shows that the hilal has never been seen. The viewpoint of Hisab Rukyat Team of Riau Islands Province regarding this criteria are divided into 2 viewpoints. The first viewpoint is agree with this criteria because this new criteria was the rukyatul hilal result of hundreds years so that it can be scientifically justified. The second view viewpoint disagrees because this criteria still needs to be tested theoretically and practically. The dynamics and polemics as well as the Government's inconsistency in implementing this new criteria are also considerations in agreeing it.
Accuracy of Qibla Direction of the Mosque with the Qibla Shadows and Rashdul Qibla Methods Putri Rohana, Nada Putri
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 10, No 1 (2024): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v10i1.17117

Abstract

This research aims to find out how accurate the Qibla direction of mosques in Sibolga City is and to find out how the Qibla direction measurement method is used in determining the position of the Qibla direction. The research was conducted using the field research method to find out the maslahah mursalah in the virtue of knowing the Qibla direction and addressing the phenomenon of Qibla shadows and rashdul Qibla. Data collection is done by observation, interview, and documentation of data relevant to the study in this research. From the results of the study, it can be concluded that the accuracy of Qibla direction is seen from how the method of measuring Qibla direction is determined based on the measurement of latitude and longitude of the research location.  
Observations on Islamic Astronomy Research and Publications in Indonesia (2015-2024) Diana Putri, Alfiah Rizky
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 10, No 1 (2024): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v10i1.19840

Abstract

This article investigates research and publications related to Islamic astronomy, with a focus on Indonesia—the country with the largest Muslim population globally. The study examines scholarly works from Google Scholar over the past nine years (2015-2024), using filters for “astronomi islam” and “Islamic astronomy” using Publish or Perish application. The most frequently researched topics include the Islamic calendar, the new moon, and the Qibla. Surprisingly, despite the growth of Islamic astronomy in Indonesia, the number of studies on these topics has not increased substantially. To advance research, consider exploring automation and robotic systems, creating DIY tools, and leveraging image processing technology, machine learning, and deep learning.
Determination of the Beginning of Prayer Time on the Mount Prau Hiking Trail by Applying Spherical Trigonometry Nur Aulia, Shofinatul Wahdah; Hamid, Abdulloh; Yuliati, Dian; Asyhar, Ahmad Hanif; Khaulasari, Hani
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 10, No 1 (2024): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v10i1.18366

Abstract

Determining the beginning of prayer time on the Mount Prau hiking trail is very important for Muslims, especially when performing the five daily prayers. Calculation of the beginning of prayer time is important even though prayers can be performed within a certain time range. This study aims to apply spherical trigonometric calculations and to determine the results of the beginning of prayer time on the Mount Prau hiking trail. This research uses spherical trigonometry hisab method with the required data are latitude of place, longitude of place, solar declination and equation of time. The calculation results show the exact prayer time, such as dawn between 04.24 to 04.29 WIB, zuhur between 11.39 to 11.44 WIB, asar between 15.01 to 15.05 WIB, maghrib between 17.32 to 17.36 WIB and isya between 18.46 to 18.51 WIB. This information is useful for climbers of Mount Prau so that they can carry out worship on time.

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