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[vsnet-chat 161] Re:help request



May I ask you, which kind of camera do you use? We have ST-7 and it is not
possible to use B filter with this unit. Maybe you have ultraviolet
sensitive type of ST-7, so then no problem but if not, I don' recomend you
to use B. There will be ten times longer exposures :-(
Have a nice day
						Rudolf

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