NGC3521 in Leo
Magnitude 8.9@Size 9.5'


L;10min~62(2015) 5min~101(2017/1/24 2/1) R;10min~14 G;10min~16 B;10min~16(2015 and 2017/ 1/26)
21cm f6.0 Newtonian ST8XME
(VKCh2017N5j



LF10min~74((2015/3/28,4/23,5/8,10,13) R;10min~6 G;10min~6 B;10min~6(2015/ 4/21)
21cmNewtonian f6.0ST8XME


LF10min~63(2010/1/18,22,23 2/5) RF10min~6 BF10min~8s2~2t(2010/1/19)@
21Newtonianf6.0 ST7XME
iVKCh2010N5j




LF10min~14(2005/3/19) RF15min~2EGF15min~4EBF15min~5i2005/2/13j
20Newtonian f6.0(L) 20Newtonian f4.0(RGB)
(V2005NVj

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