Irregular Galaxy in Cassiopiea

Uploaded 9/30/2001

Located within the "W" shape of Cassiopiea, This 11.8 magnitude dwarf irregular galaxy closely resembles the LMC in the southern sky. Because of interstellar reddening, this object has a B-V index of 1.43, making it much redder than most galaxies in the sky. The galaxy is fairly large too, at 6.3x5.1 arcmins. My first attempt on this object was with the SBIG237 camera, and can be seen here. The Simbad search engine reveals 220 red HII regions in this object! This is truly and amazing object.

Instrument:  12.5" f/5 Home made Newtonian
Platform:  Astrophysics 1200 QMD
CCD Camera:  SBIG ST7E w/Enhanced Cooling
Exposure:  LRGB = 60:20:20:36 (RGB Binned 2x2)
Filters:  RGB Tricolor
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing 8/10, Transparency 8/10
Outside Temperature:  21 C
CCD Temperature:  -20 C
Processing:  Maxim DL, Photoshop, PW Pro.




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