Mangrove tiger - Danaus affinis ssp maybe obscura
This sp has a lot of varaibility at the subsp level. I think it could be ssp obscura pr ferruginea based on these links:
http://www.norththailandbirding.com/pages/galleries/butterflies_c/id/id_butterflies_11.html
https://www.sugapa.org/wp-content/uploads/2019/03/Danaus-affinis-in-Papua-Indonesia-Henk-van-Mastrigt-SUGAPA-42-2009.pdf
"Danaus affinis", the Malay tiger, Mangrove tiger or swamp tiger, is a butterfly found in tropical Asia. It belongs to the "crows and tigers", the danaine group of the brush-footed butterflies family.
Similar species: Moths And Butterflies
By Patomarazul
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Uploaded Mar 13, 2021. Captured Nov 4, 2019 02:08 in Unnamed Road, Kobe, Weda Tengah, Kabupaten Halmahera Tengah, Maluku Utara, Indonesia.