Old M45 images by Dick Locke, The Pleiades (The Seven Sisters)
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M45 & Comet

Newer & better M45 Pictures here

Photo by Dick Locke, 11/17/2001

"The Pleiades" is Messier object 45, and is also known as "The Seven Sisters."  It is an open star cluster and features a nice blue reflection nebula.  As it resembles a small dipper, it is often mistaken for the Little Dipper.  (The real Little Dipper is much larger and always directly North.)  Generally there are only 6 stars clearly visible in this object, and there's been discussion as to why there are seven sisters instead of six.  This object is quite high in the sky and well-placed for viewing in the Fall.  More info about The Pleiades is at SEDS.   See the newer, and perhaps better, version here  Here's a slightly larger view.   I also have a Nikon D100 DSLR shot here: NHAC Pix - newest

M45 - The Pleiades (old version)

This is a stack of two images; a new one & an old image (above).  See old image for more info.  I also have a Nikon D100 DSLR shot here: NHAC Pix - newest


M45, Stack 1

Above: 4 images exposed from 2 to 3 minutes, Nikon D100, ISO1250 setting, Tak TOA 130 with reducer (f5.8, 754mm), guided using STV eFinder. 

Top Image Info:

North Houston Astronomy Club "Neal" Observing Site
45 minute guided exposure using STV with ST80 guiding telescope
Losmandy GM-11, Camera mounted using DSBS system
Olympus OM-1n Camera on Takahashi FS102 Telescope, 610mm focal length, f5.9
Kodak Elite Chrome 200 slide film (pushed 1 stop)
Negative Scan, Nikon Coolscan ED IV, Processed in Photoshop

Astronomy Pictures: Dick Locke's Astrophoto Gateway page....

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