Ajaana UDonto bostu ba Aw-Oo-Baw (অজানা উড়ন্ত বস্তু বা আ-উ-ব) (Unidentified Flying Object or UFO) was the second album of the Bangla band Moheener Ghoraguli. It was released in 1978 as a Standard Play 45 rpm disc by Hindusthan Records, and had two songs.

Track listing

1. Ajaana UDonto bostu ba Aw-Oo-Baw (Aadho aalo aandhaaray, kono ek nawgoray...)

• Lyrics: Ranjon Ghoshal
• Music: Pradip Chattopadhyay (Bula)
• Arrangement: Goutam Chattopadhyay (Manik) & Abraham Mazumder
• Vocals: Pradip Chattopadhyay (Bula), Ranjon Ghoshal, Tapesh Bandyopadhyay (Bhanu)

2. Shudhijon Shono (Shudhu Aaj Noye Protidin)

• Lyrics: Ranjon Ghoshal
• Music: Goutam Chattopadhyay
• Vocals: Tapesh Bandyopadhyay (Bhanu), Tapas Das (Bapi) and Ranjon Ghoshal
• Lead Guitar: Goutam Chattopadhyay