M33: The Pinwheel Galaxy
Click on image for larger version.
| M33 is a very nearby spiral galaxy at a distance of 3 million light
years away. It is close enough that under dark skies it can easily be
seen in binoculars. In addition, its nearness makes the galaxy appear
large in angular size on the night sky.
76mm Televue Refractor (at f/6.3) with an ST10XME.
(bottom image) 20in RC Optical Systems telescope
SBIG ST10XME CCD camera with color filter wheel
The Bottom image was taken through the 20in telescope and
shows the central region (about 1/5 of the galaxy) at a relatively
high resolution. Note the numerous red HII regions and bluish
Minimum credit line: (Top image)Adam Block/NOAO/AURA/NSF
(Bottom Image) Adam Block/NOAO/AURA/NSF
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