Seyfert Galaxy NGC4258 (M106)

Object Data
Description This bright and relatively nearby galaxy has recently been reclassified into the Seyfert type, due to the emission line spectra from its nucleus.
Constellation Canes Venatici, the two hunting dogs of Bootes: Astarion and Chara.
Right Ascension 12h 19m 8s
Declination +47° 17' 16"
Magnitude 9.1
Angular size 17.4 arcminutes
Distance 6.8 megaparsecs (22 million light years)
Radial Velocity 448 kilometers per second
Image Data
Photographer Fred Lehman
Main Scope Meade 12" LX200 @ f/5.0 (1525mm)
Guide Scope Orion 120mm refractor @ f/3.75
Guide Camera SBIG STV
Imaging Camera Starlight Xpress MX7C
Resolution 752 x 580 @ 1.2 arcseconds per pixel
Exposure Fifteen exposures of two minutes each. Aligned, stacked, and processed with AstroArt.
Date May 4, 2003
Location Area 51 in Big Cypress National Preserve in central South Florida.

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