Click the full screen zoom button
^
Click the image to Zoom and
Pan
Zoom
in, pan to the far left and below center to see what
appears to be a non-cataloged LSB (low surface
brightness) dwarf galaxy, that may be associated
with NGC 891. These little guys are everywhere, but
difficult to get pro observatory telescope time
allocated for their study. They are interesting, in
that they seem to contain very significant amounts
of dark matter. This object can also be found in the
SDSS-II images.
Click
here to view the image without Zoomify (1950 x
1300)
Instrument
12.5" RCOS @
~f/9 (2880 mm fl) 0.643 arcsec / pixel. Zoomify image scale is
0.86 to 3.44 arcsec / pixel.
Discovered on October
6, 1784 by William Herschel, NGC 891 is about 30 million light-years
way in the constellation Andromeda. From our perspective the
unbarred spiral galaxy presents a beautiful edge on view.
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Click the
image for fullsize wide field view
Instrument
Celestron
C11 @ ~f/10.5 (~2930 mm fl) 1.27 arcsec / pixel. Shown
resampled to 1.58 arcsec / pixel. Click the image for a full
size wide field view.
