NGC2403 in Camelopardalis
Magnitude 8.4 Size 17.8'


L; Clear5min×213 ( 2020 / 10 / 20, 11 / 13, 14, 21)
R;5min×15 G;5min×15 B;5min×15 (2020 / 11 / 16)
Hα5min×83 (2021 / 10 / 4, 11 /25, 26)
21cm f6.0 Newtonian ST8XME & ST10XE

(星ナビ2022年3月号掲載)



L:10min×46(2011/11/23,24 12/1) R:10min×9 G:10min×7 B:10min×7(2011/11/30 12/1) 
21cmNewtonianf6.0 ST7XME




L:10min×24(2008/11/20,21,22)  R:10min×9 B:10min×8《2×2》(2008/11/28)
20cmNewtonian f6.0 ST7XME




L:10min×27(2007/10/21,22,24 2/10)  R:10min×9 B:10min×7《2×2》(2007/11/14)
20cmNewtonian f6.0 ST7XME