Messier M106


Messier Object Information

Messier object: M106
NGC (New General Catalog) number: NGC 4258
Discription: Spiral Galaxy
Located in constellation: Canes Venatici
Right ascension in hours:minutes: 12:19.0
Declination in degrees:minutes: 47:18
Spiral Galaxy NGC4248, magnitude 12.60 is to the top right of M106.

Visual magnitude: 8.4
Size: 19 x 8 arc minutes
Image size: 31 arc minutes high by 41 arc minutes wide
Image orientation: North is top, West is right, East is left and South is bottom
Detailed discription of M106 in SEDS Messier database
Other Messier galleries, images or catalogs

Observing Log
Date of observation: March 22, 2001
Time at end of first CCD image 22:52 PST
Time at end of last CCD image 23:13 PST
Observing Location: At home on the drive way
Observation of object: M106 is a spiral galaxy with large faint arms. Also, there is a galaxy (NGC4248) to the top right of M106 and another very faint galaxy below M106 half way to the image edge.
Sky Conditions
Astronomical twilight ended in the evening at 20:07 PST on March 22, 2001
Astronomical twilight started in morning at 4:25 PST on March 23, 2001
Observing Equipment

Fastar Celestron C-8 Schmidt-Cassegrain telescope with Fastar lens accessory and SBIG ST-237 CCD Camera
CCD image time: 32 - 30 seconds images stacked together
No guiding or PEC.
Imaging processing

M106 image taken with Orion ShortTube 80 mm refractor telescope and Cookbook CB245 CCD Camera.

Use Test patterns to calibrate monitor brightness, contrast, height and width