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M-5
is also a large globular. . It may be difficult to find however,
because there are no bright stars nearby. The brightest (Unkalhai
or Alpha Ser) is magnitude 2.6 which can be difficult to see in light polluted
skies. It will give you a nice view if you can locate it though because
it has a nice compact core surrounded my many stars. You should
be able to see it even in a small 90 mm scope. The top image is one
of my early ones while the image taken in 2002 is of much longer exposure
in an attempt to capture the fainter regions of the cluster.
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Size: 22 arcmin Magnitude: 5.7 Magnitude Tip: 12.2 RA: 15h 18m 34s Dec: +02 d 05m 00s |
This image was taken at the same time as the f4.8 image below. The Orion MAK 500 was attached to the LX 200 which was guided by MX-5C and STAR 2000. A nice feature of my system is that I can image through both the Orion MAK 500 and the LX 200 simultaneously. Click here for a larger image. |
Scope: Orion MAK 500 |
Nikon film back w/ Kodak MAX 800 | |
Focal Ratio: f5.5 | |
Exposure: 20 min | |
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Scope: 8" LX 200 SCT |
MX-5C CCD Camera | |
Focal Ratio: f4 | |
Exposure: 5 min | |
Scope: 8" LX 200 SCT, STAR 2000 and IDAS LPR | |
MX-5C CCD Camera | |
Focal Ratio: f4.8 | |
Exposure: 37 min for outer regions and 5 min for core | |
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