Items where Author is "M.Irfan"
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Conference or Workshop Item
Lala M. K. Wijayanti and M.Irfan and J.Arìa Utama and Muhammad Yusuf (2011) Penentuan konstanta Hartmann teleskop fotografis Zeiss 60 cm. In: Prosidings Seminar Himpunan Astronomi Indonesia, 27 Okt 2011, Bandung.
F.Azzahidi and M.Irfan and J.A.Utama (2011) Pengukuran kecerahan langit (sky brightness) observatorium bosscha menggunakan teleskop portabel dan CCD. In: Prosidings Seminar Himpunan Astronomi Indonesia, 27 Okt 2011, Bandung.