Thursday, June 30, 2016


      BS Astronomy Technology Batch 2016 graduates participated in the recently concluded 1st Student Research Conference held at the RTU Plenary Hall, June 29.

     For the poster competition, Ms. Sharmae Hajar Formanes' research, "Starspots Effect in the Orbital Period Variability of Chromospherically Binary Star System" won the first place. And, Mr. Jhan-Curt Fernandez', "On Determining the Ephemerides of the Main Belt Minor by Means of Algorithm", acquired as the second place.

     Moreover, Mr. Michael Figureoa and Ms. Mary Grace Arcenal's, "Development of An Effective Material for the Introduction of Astronomy to Young Learner 7 to 11 Years Old" was presented in the oral presentation of the research forum.

      Mr. Ryan Manuel Guido, Department of Earth and Space Sciences ( DESS ) faculty member, was the thesis adviser.

     DESS highly commends their exemplary performance during the competition.

Report by: Jerald Karl Angelo B. Barranta and Julian Cortes

Sunday, June 26, 2016

International SUN Day 2016

Report by Mary Margareth Bauyon  

photos by Jianro Fadul

MANDALUYONG CITY—Rizal Technological University (RTU) is one all over the globe in celebrating the International SUN Day.  This event was held earlier this morning, June 26, organized by RTU-Astronomy Society (RTU-AstroSoc).

Free solar observation held at university quadrangle started at eight-thirty am and ended around eleven am. Students were able to observe the sun in different filters: Calcium-K, Hydrogen Alpha and white light.

Moreover, series of lecture was held at the Earth and Space Sciences’ auditorium. First speaker was Mr. Christopher Lou; an astronomy enthusiast and member of Astronomy League of the Philippines (ALP) and Manila Street Astronomers (MSA). His talk pertains to introducing astronomy in the community, and the importance of celebrating International SUN Day.

Followed by Mr. Jeroh Hiyastro; 5th year BS Astronomy student, and former president of Solar Monitoring Guild (SMG). Mr. Hiyastro’s lecture was about solar observation, solar filters and interesting solar activities.

Program was concluded with the closing remarks of RTU-AstroSoc President, Ms. Julie Ann Delda.

Astronomy students observing the sun.

Students listening to the lecture.

Awarding of certificate to lecturers: Mr. Lu (left) and Mr. Hiyastro (right) given by
Ms. Pauline Divinagracia, SMG Adviser with Ms. Julie Ann Delda, RTU-AstroSoc President.

Astronomy Students SUN Day groupie!

Wednesday, March 16, 2016

Partial Solar Eclipse

Partial Solar Eclipse
March 9, 2016

Time lapse of the Partial Solar Eclipse occurred last March 9, 2016. Set of images were taken at Rizal Technological University, Boni Avenue, Mandaluyong City and approximately aligned. Few clouds were present during the course of imaging that makes the color of the Sun change in some frames.
[Details of the setup]
Orion Atlas EQ-G mount
Canon EOS 550D
ISO 400
1/250s exposure

Partial Solar Eclipse Event

MANDALUYONG CITY—Rizal Technological University-Department of Earth and Space Science (RTU-DESS) spearheaded a public observation for the partial solar eclipse, March 9.

With the help of the DESS’s finest telescopes: H-Alpha, Calium-K and Dobsonian—students, guests and RTU staff were able to observed this astronomical phenomena—which made them amused and astonished.

Also present in event were: Dr. Jesus Rodrigo Torres, RTU President; Ms. Ruby Dela Cruz, DESS Head and guest students from New Era University (NEU).

What is a partial solar eclipse?

Partial Solar Eclipses happen when the Moon comes between the Sun and the Earth, but they don't align in a perfectly straight line. Because of this, the Moon only partially covers the Sun's disc. (Source:

 For more pictures: RTU Astronomy Society Facebook
The Armillary Publication
Writer: Jerald Barranta
Photographer: Chenel Dominguez