Thursday, April 17, 2008
M106, last project of the season.
Nights are getting shorter and shorter up here north.
Lenght of the day is now 15h 30min. Astronomical darkness
last from 23:38 to 02:57 tonight.
One week from now here is no astronomical darkness untill autumn.
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This is the last target for this season. I managed to capture two hours
of data last night. I'll try shoot more data tonight.
M106 (Object number 106 in Messier catalog)
Allso known as NGC 4258.
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M106 is a spiral galaxy located in constellation Canes Venatici.
Distance is about 25 million light-years from my home.
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IMAGING DETAILS
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Optics: Meade LX200 GPS 12" @ f6.3
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Camera: QHY8
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guiding: SXV-AO, active optics unit and LodeStar guider
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Exposures: 8 x 900s+ Flats and Bias frames, no darks total exposure time 2h.
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Filter: IDAS LP
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