• Uday S. Jagtap

Regular Night Airglow observations were made from Kolhapur, a low latitude station (16.8 N; 74.2 E) in India on clear moonless nights using tilting photometers. The photometers are portable and can be directed to any desired point in the sky. For the present study only two photometers were operative (Zenith, and 30 North). During this study, percentage depth, width of depletion and meridional plasma speed are computed. It was found that, (a) width of bubble varied from 315 to 360 km, and (b) the meridional plasma drift speeds ranging from 73 to 161 ms-1. It was also found that, at night the meridional winds were equatoward and abated at midnight. During study compared our data obtained using tilting photometer with the ionospheric data (h’F) and scintillation data. The ionospheric data were used from Ahmedabad (23.02 N, 72.6 E) station to know ionospheric conditions during the period of airglow observations. The scintillation data was obtained from Kolhapur.

ESF, Depletion, Equatorial ionization anomaly, Night airglow

"Characteristics of F-region Plasma Depletions During Geo-magnetic Quiet Conditions Using Night Airglow Emissions at Kolhapur ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.9, Issue 11, page no.a689-a692, November-2022, Available :http://www.jetir.org/papers/JETIR2211079.pdf

"Characteristics of F-region Plasma Depletions During Geo-magnetic Quiet Conditions Using Night Airglow Emissions at Kolhapur ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.9, Issue 11, page no. ppa689-a692, November-2022, Available at : http://www.jetir.org/papers/JETIR2211079.pdf