M99(NGC4254) in Coma Berenices
Magnitude 9.8 Size5.4'

L;5min~219 (2015, 2016 / 6 / 7 , 8 , 2020 / 2 / 17 , 18 ) R;10min~14 G;10min~15 B;10min~16 (2015 , 2016 / 5 / 13 , 14)
21cm f6.0 Newtonian ST8XME

(ir2020N6fځj



L;10min~64(2015/5/23,24 6/13,14,15) R;10min~6 G;10min~6 B;10min~5 (2015/5/22)
21cm f6.0 Newtonian ST8XME




L;10min~53(2008/3/1,2,9) R;10min~6 B;10min~8(2~2binning) (2008/3/1)
20cm f6.0 Newtonian ST7XME