सिद्धान्तदर्पण (महामहोपाध्याय सामन्त चन्द्रशेखर सिंह - नग्न-नेत्र खगोल वेध एवं गणित महाकोश)

? Or is it a digit?
Wait, what if the meter is NOT 8 syllables?
Could it be a different meter? No, 8 + 8 + 8 + 8 is Anushtubh.
Wait, can Anushtubh have 9 syllables? An irregular Anushtubh (hypermetric / bhūrīk) with 9 syllables happens in Puranas, but in astronomical texts like Siddhanta Darpana (by Chandrasekhara Singha Samanta), Chandrasekhara is a master poet (Mahamahopadhyaya)! He wrote the entire Siddhanta Darpana in classical Sanskrit meters (mostly Upajati, Vasantatilaka, Sardulavikridita, Malini, Anushtubh, etc.).
Wait! This book is SIDDHANTA DARPANA!
Yes! The header says "सिद्धान्त दर्पण"!
Author: Mahamahopadhyaya Chandrasekhara Singha Harichandana Mahapatra Samanta (Pathani Samanta)!
Let's find the exact verse in Siddhanta Darpana!
Chapter: Madhyamadhikara or Spashtadhikara!
Topic: Mercury's Mandaparidhi (बुधस्य मन्द परिधि)!
Look at the verse:
Verse 111:
"बुधस्य मन्द..."
Let's find verses 104-111 of this chapter in Siddhanta Darpana:
Chapter: Spashtadhikara (अध्याय ३ or similar, or म