天台深空集 NGC2207

行星、深空天體、星野攝影等
benben88
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註冊時間: 週四 02 6月, 2005 22:56

文章 benben88 » 週四 23 2月, 2017 19:38

willis 寫:
benben88 寫:NGC2207,IC 2163

See how deep could be reached by my small telescope for these fascinated colliding galaxies under my heavily light-polluted roof top. Above is picture taken at ideal environment by Hubble Space Telescope .

Details :
15 cm F5 Newtonian, Paracorr 2 corrector , Kenko nebula filter, Atik 460EX CCD cooled to -5degree. L 180sX 42, RGB 180x4 each , vixen new atlux mount .
Dark, bias and flat calibrated, PI & PS touch up .
Taken at Yuen Long
Ben, apart from this mission impossible mission u have done, did the Kenko nebula filter apply to L only or did it also apply to RGB channels?
I applied filter to all channels .

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