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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 138 Documents
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Traces of Islamic Astronomy and the Residue of Sufism in Determining The Beginning of Ramadan on the Maluku Muslim Community Kalean, Arman
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 10, No 2 (2024): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v10i2.21690

Abstract

The Wandering Sufi have given their own traces of Islam in the archipelago, namely the traces of Sufism and also the traces of Islamic Astronomy. This Wandering Sufi has been present in the archipelago since the early days of Islamic trade, including in Maluku. The existence of several customs in Islamic rituals in several areas in Maluku, authentically confirms the Islamic style embraced by the Maluku people. This study found that there is a trace of Islamic astronomy in Maluku, in the form of a calendar concept that has a display pattern similar to the Javanese and Sumatran Islamic calendars, and has an Arabic numerological concept with beliefs similar to those in the Banjar Society. In addition, this study also provides an overview of the residue of Sufism teachings in the form of the Qadiriyah and Shattariyah orders.
Hotstar: Holographic of Astronomical Objects Qudsy, Cintamani Zahrotul; Darmawan, Almira; Angelica, Inggrid Twi; Ridwan, Mohammad
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 10, No 2 (2024): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v10i2.22023

Abstract

In order to answer the world's challenges related to the development of science from generation to generation, this study discusses the introduction of astronomy as one of the disciplines that affects several aspects of life, such as in the calculation of the time of worship of religious people (Islam), the determination of time in each region in various parts of the world, and so on, which in this case is juxtaposed with the pace of technological progress along with the development of the world. is increasing. In the content of the discussion related to astronomical orientation, the researcher also included the history of the development of astronomy along with previous Muslim astronomers with their various discoveries. This research also frames a series of astronomical introductions through technology in the form of simple holograms used to visualize astronomical objects. By using a qualitative research method conceptualized through the trial of visual-interactive products in the form of simple holography-based props, Hotstar is designed to orient the field of astronomy science to the general public with simple hologram visualization. The final results of the trial stated that 90% of respondents were satisfied with the Hotstar  teaching aids and this research will also continue to be developed to increase interactivity in material exposure and astronomical orientation in the future. 
Refined Guidelines for Selecting Hilal Observation Points in Tropical Regions: Insights from Bengkulu City Taman, Badrun
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 11, No 1 (2025): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v11i1.17800

Abstract

This research evaluates the Bengkulu Provincial Government Mess as a potential site for rukyatulhilal, given that its selection has lacked a systematic, scientific foundation. The study focuses on three main aspects: first, the region’s geographical and astronomical characteristics; second, how well the chosen location aligns with established ideal parameters for crescent observation; and third, how site determination can be adapted to local conditions based on empirical findings. A qualitative approach grounded in geographical-astronomical analysis was employed. The results reveal that factors linked to the western horizon—specifically its alignment with the Indian Ocean at sea level—introduce notable meteorological disturbances, including high wave activity, strong sea breezes, and elevated water vapor content, all of which can impede visual detection of the hilal. Based on these insights, the study proposes updated criteria for selecting observation sites, recommending that optimal locations avoid a western horizon directly at sea level, particularly along the Indian Ocean frontage. 
Feasibility Test of Setumu Beach in Tanjungpinang City Riau Islands Province as a Rukyatul Hilal Location Angkat, M. Arbisora; Maheran, Siti; Fauzan, Said Muhammad; Ramadhan, Wahyu; Syaputra, Adidtya
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 11, No 1 (2025): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v11i1.24402

Abstract

The basis for selecting Setumu Beach as the location of the rukyatul hilal because the failure to see the hilal in Bukit Cermin for 6 years. The Regional Office of Ministry of Religious Affairs of Riau Islands Province then conducted a survey to Setumu Beach and it was seen that Setumu Beach had wide visibility, an easily accessible location and there were various kinds of facilities and infrastructure. After further research, Setumu Beach is not supported by primary parameters, because the geographical conditions are blocked by trees, Soreh Island, highlands or small islands and lowlands at azimuth 240o-300o. Meanwhile, the weather conditions are also not supportive, because Tanjungpinang City has low air temperature, high humidity and rainfall, causing Tanjungpinang City to be more often in cloudy weather conditions and enter the wet month criteria. This is also supported by the results of rukyatul hilal report from Riau Islands Province Hisab Rukyat Team which always failed to see the hilal from 2021-2024 due to weather factors. Setumu Beach is supported by secondary parameters, because in terms of accessibility and facilities Setumu Beach is quite adequate. Because Setumu Beach is not supported by primary parameters and supported by secondary parameters, Setumu Beach is less suitable as a rukyatul hilal location.
Dynamics of Sky Brightness during a Hybrid Solar Eclipse using SQM Jufriansah, Adi; Pramudya, Yudhiakto; Khusnani, Azmi; Hikmatiar, Hamzarudin; Sahlan, Sahlan; Saharul, Saharul; Donuata, Pujianti Bejahida
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 11, No 1 (2025): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v11i1.21227

Abstract

This study aims to analyze sky brightness dynamics during a hybrid solar eclipse using the Sky Quality Meter (SQM). Strategic observation sites were selected along the eclipse path, and continuous data collection was conducted using the SQM-LU-DL, telescopes, weather stations, and GPS for accurate location and atmospheric data. Measurements began several days before the eclipse and continued throughout and after the event. Data collected included sky brightness, visual documentation, and atmospheric conditions, which were analyzed using GnuPlot to detect trends and patterns in brightness changes. The study revealed significant fluctuations in temperature and light frequency, with a sharp decrease at the eclipse's peak, followed by a return to normal levels. These findings emphasize the eclipse's impact on natural light intensity and highlight the importance of addressing light pollution. The study contributes to understanding astronomical phenomena's effects on the environment and human health, aiding in the development of effective light pollution mitigation strategies.
Lunar Eclipse Types Comparison of al-Dur al-Anīq with Astronomical Algorithms (Implications for the Law of Lunar Eclipse Prayers) Yaqin, Alamul; Azmi, Muhammad Farid
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 11, No 1 (2025): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v11i1.23476

Abstract

This article aims to examine the accuracy of Astronomical Algorithms and al-Dur al-Anīq lunar eclipse type calculations and their impact on the ruling of lunar eclipse prayer. This qualitative research uses descriptive and comparative approaches. This article uses lunar eclipse data from 2011 – 2050 from Astronomical Algorithms, al-Dur al-Anīq, and NASA, and 3 additional partial lunar eclipses with small umbral magnitude. This study concludes that the determination of the type of lunar eclipse al-Dur al-Anīq is more accurate than Astronomical Algorithms because the average magnitude penumbra and umbra difference is almost the same as NASA and there is no difference type of lunar eclipse with NASA. Meanwhile, Astronomical Algorithms there are differences in types of Lunar Eclipses with NASA on lunar eclipses April 4, 2015 and July 18, 2027. The different types of lunar eclipses above, do not have an impact on the difference of lunar eclipse prayer law on lunar eclipse 2011-2050 because the two eclipses differ in No Lunar Eclipse with Penumbra and Partial with Total, but it happens on lunar eclipse 24 February 2157, 16 June 2421, 22 May 2627, because the different types of lunar eclipses occur between Penumbra and Partial.
The Impact of La Nina 2022 on Monthly Rainfall Variabillity in Papua Kusumaningtyas, Putri Catur; Nugraha, Satria Kirdha; Fauziyah, Nur Aini
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 11, No 1 (2025): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v11i1.25129

Abstract

ENSO (El Nino Southern Oscillation) is a phenomenon of sea surface temperature (SST) deviation in the Central and Eastern equatorial Pacific Ocean (Nino 3.4). ENSO phase consists of two deviations, namely El Nino and La Nina. La Nina has an impact on increasing rainfall in the Nino 3.4 region. Indonesia, which is part of the Nino 3.4 region, is affected by La Nina in the JJA period (June July August). With research conducted in Eastern Indonesia, Papua in the 2022 La Nina period has varying results. Through four observation points namely Sorong, Enarotali, Jayapura and Merauke. The most affected area of La Nina 2022 is Sorong while for the area affected by ENSO activity during the 11 years of observation (2013-2023) is Merauke with a significance value of 0.000306429; 0.000943892; 5.13748E-05. As for the time most affected by La Nina 2022 and ENSO activity 11 years of observation is in the same month of August with a significance value for the Sorong region of 0.011474481; Enarotali 0.006271735; Jayapura 0.431875715; and Merauke 5.13748E-05.
Initial Calculation of Prayer Time Based on Geolocation Using Spreadsheet Taufikurrahman, Arief; Akbar, Fitriatma Maulani
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 11, No 1 (2025): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v11i1.23858

Abstract

The time of prayer is influenced by the position of the sun relative to the earth, which varies with the location and time of the observer. Astronomically, this is related to the position of latitude and longitude that can be obtained from the map using geolocation techniques. The sample of this study is the coordinates of large mosques in 15 regions in Indonesia on the 15th of each month throughout 2024. To facilitate the process of collecting and calculating data and avoiding errors in calculations, researchers use Spreadsheet calculation tools in the form of Microsoft Excel applications. This research uses a quantitative approach with an experimental method to test the effectiveness of using the coordinate points of large mosques in determining prayer times. The results show that there is a difference of about 11.2%, from a total of 900 calculation results, compared to the results of Bimas Kemenag Islam using midpoint data. This difference is relatively small because the value only ranges from less than 1 minute to more than 1 minute, so it can be used in determining the beginning of prayer time.

Page 14 of 14 | Total Record : 138

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