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M106

Classification: Spiral Galaxy / M106 / NGC4258 / H43-5
Constellation: Canes Venatici (CVN)
Object Location: Ra 12h 19m 40s Dec +47° 13’19° (current)
Size & Distance: 18.6 x 7.2 Apx 24 Million light-years.

Date & Location: 03-08-2008 Palomar Mountain, CA
Exposure: LRGB L= 6 @ 3m30s (bin 1x1). RGB= 5 @ 4min ea. (bin 2x2 )
Optics: Takahashi Epsilon-180 f2.8 504mm.
Mount: Astro-Physics 900 GTO / ATS 10x36 Pier
Camera: SBIG-ST10XME @ -20c
Filters: Astrodon G1 LRGB
Software: MaxImDL 4.56, Photoshop CS.

Notes: Sky conditions: Good seeing, light winds, low 50’s
Image Field of view is 68 x 101 arcmin.
Also in the FOV is NGC4217-4220-4228 being most prominent. Plus many other small galaxies.
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Messier 106 (also known as NGC 4258) is a spiral galaxy in the constellation Canes Venatici. It was discovered by Pierre Méchain in 1781. M106 is at a distance of about 22 to 25 million light-years away from Earth. It is also a Seyfert II galaxy. Due to x-rays and unusual emission linesdetected, it is suspected that part of the galaxy is falling into a supermassive black hole in the center. NGC 4217 is a possible companion galaxy of Messier 106.
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