NGC7741

Face on Spiral in Pegasus

Uploaded 10/29/02

A detailed face on SB(s)cd class spiral, which spans.5 arcminutes in size. This 11.8 magnitude neglected object boasts several internal objects of interest. First, is the huge red region to the right of the core in the bar. This could be either a large HII region of an lane of reddened obscuring dust. The one big pink hydrogen cloud to the left is the dominant feature. Also, the faint blue arms are resolving into clumps of blue supergiants. Hordes of faint galaxies occupy this frame! The lower right corner seems to have a rich galaxy cluster, with members ranging in brightness from 17 and fainter. The dim patch just above the brightest yellow star in the field is MAC 2343+2607, and anonymous object about 16th magnitude.

Instrument:  12.5" f/5 Home made Newtonian
Platform:  Astrophysics 1200 QMD
CCD Camera:  SBIG ST7E w/Enhanced Cooling
Exposure:  LRGB = 60:20:20:20 (RGB Binned 2x2)
RGB Combine Ratio:  1: .95: 1.8
Filters:  RGB Tricolor
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing FMHW = 1.9 arcsec, Transparency 7/10
Outside Temperature:  10 C
CCD Temperature:  -25 C
Processing:  Maxim DL, Photoshop, AIP4WIN, PW Pro.
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