M82 -- Irregular Galaxy

Object

Type                      Irregular Galaxy

Constellation            Ursa Magor

Distance                 12 million light years

Magnitude               8.4

Size                       9 x 4 arc-min

Image

Date                       2008-04-25 (Ha, Blue), 2008-04-05 (LRGB)

Place                      RMCC Observatory (Mounds)

Exposure Data          HaLRGB  90:60:30:30:60 mins @ -15C

                             Ha 6x15, Lum 12x5, R 6x5, G 6x5, B 12x5

Notes                    

Equipment

Optics                    Takahashi TOA-150

Focal Length            1100 mm @f/7.3

Mount                     Takahashi NJP

Camera                   SBIG ST-10XME

Focuser                  Robo-Focus

Filters                     CFW-10, Astrodon LRGB

Software                 TheSky6, CCDSoft, Maxim DL, CCDSharp, PhotoShop CS