ANSWER:

This is not authentic. It’s a weak hadith.

https://islamqa.info/en/answers/249623/soundness-of-the-hadith-which-says-that-allah-may-he-be-glorified-and-exalted-descends-on-the-night-of-the-fifteenth-of-shabaan-to-the-lowest-heaven

Shiekh I read in one of seerah books that Mohammad SAW went to BAQEEH(graveyard) on night of 15 sha’aban. Is this authentic as my poeple in India Pak now go to local graveyard on 15 sha’aban. Please guide with authentic refrence…..

Funerals, Innovations | August 6, 2021 7:34 am
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What to do with the bones after consuming (meat)n head of the sacrificed animal on eidul adha…. people here say one should buried it in earth n not let animals like dog to eat it… is there any sin if throwen away all families here do not have enough of land to burry them.