There is no obstacle for a Teguh Santosa to continue working during the Covid-19 pandemic like today, the proof is that he managed to publish a photo book entitled "Chasing Light At The Edges Of The Night". As an appreciation, the Photography Study Program, Faculty of Recording Media Arts (FSMR), Institut Seni Indonesia (ISI) Yogyakarta also held a webinar to discuss the book on September 9, 2020.
This webinar also marked the launch of the book. The event, which lasted for approximately two hours, presented Prof. Drs. Soeprapto Soedjono, M.F.A., Ph.D., and Roy Genggam as the main speakers. The participants consisting of students and the general public were also enthusiastic about participating in the webinar.
In his presentation, Teguh Santosa shared his photography experience, which began with pursuing macro photography since early 2009. His perseverance and love for photography encouraged him to publish several books, including with Andiyan Lutfi, in 2012, Teguh compiled a macro photography book entitled "Macro Photo Book" published by Elex Media Komputindo. Then in 2013, he together with Jentera Intermedia published his own book titled "Bersujud Aku dalam Detail Ciptamu". Until finally a book entitled "Chasing Light At The Edges Of The Night" was published in 2020.
The book, curated by Prof. Drs. Soeprapto Soedjono, M.F.A., Ph.D. and Drs. H. Surisman Marah, M.Sn. gives Teguh Santosa his own space to work according to what he wants to tell. Roy Genggam illustrates that Teguh Santosa provides works to the public in a polite way by displaying beauty in the shades of dark night. A photograph is a reflection of the self, which is what underlies Roy Genggam's statement about the politeness of photography, which is a self-interpretation of Teguh Santosa to be conveyed to the audience.
In addition to photographing and preparing books, this entrepreneur and coffee expert is often a speaker at public lectures on several campuses, including at the Photography Study Program, FSMR, ISI Yogyakarta. Teguh Santosa is also active in the Indonesian Macro Photography Community, Macroworldmania, and Macro Nusantara. Since 2012 until now he has been a judge for the Macro Photographer of the Year Indonesia selection. Every year he is the main committee of the Macro Nusantara Hunting Akbar, which is attended by no less than 70 photographers from all over Indonesia. He is also the initiator of Macrh Macro, an event for macro photographers that is regularly held in Yogyakarta since 2014 until now.

Dean of FSMR Dr. Irwandi, S.Sn., M.Sn opened a webinar / public lecture as well as the launch of the book "Chasing Light At The Edges Of The Night" by Teguh Santosa.

Book curator Drs. H. Surisman Marah, M.Sn. gave the opening remarks at the launch of Teguh Santosa's book. According to him, this book gives Teguh Santosa the space to work according to what he wants to tell.

Prof. Drs. Soeprapto Soedjono, M.F.A., Ph.D. (commonly referred to as Prof. SS) gave a review of the book "Chasing Light At The Edges Of The Night" by Teguh Santosa. He noted that the works in the book reflect a fresh take on the night and can be an interesting reference.

Roy Genggam gave a review at the launch of Teguh Santosa's book. According to him, Teguh Santosa's work is a celebration of the art of photography, which is a self-interpretation of Teguh Santosa to be conveyed to the public.

Teguh Santosa presented and gave an introduction to the Photo Book "Chasing Light At The Edges Of The Night"

Screen display during Photo Book webinar "Chasing Light At The Edges Of The Night" by Teguh Santosa took place through the Zoom platform (9/9/2020).