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Thursday, April 17, 2008
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.
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.
M106 is a spiral galaxy located in constellation Canes Venatici.
Distance is about 25 million light-years from my home.
IMAGING DETAILS - Optics: Meade LX200 GPS 12" @ f6.3 - Camera: QHY8 - guiding: SXV-AO, active optics unit and LodeStar guider - Exposures: 8 x 900s+ Flats and Bias frames, no darks total exposure time 2h.
- Filter: IDAS LP
Posted by J-P Metsavainio at 11:38 AM