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M52 Open cluster
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M52
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M52 Open cluster
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Discovered 1774 by Charles Messier. M52 is a fine open cluster located in a rich Milky Way field. It is one of the rich clusters for which amateur Jeff Bondono has proposed the name "salt and pepper" clusters. Ake Wallenquist (1959) found 193 probable members in a region of 9' radius, and the density near the center is about 3 stars per cubic parsec. More informations are available at the seds.org website |
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| Optics |
130 mm f/6.8 Astro-Physics EDF Refractor with AP field flattener |
| Mount |
Astro-Physics AP 1200QMD + Astro-electronic FS2 goto |
| Camera | SBIG ST-10XE. |
| Filters | SBIG CFW8A.With Astrodon LRGB Ha filters |
| Focuser | Robofocus focuser and Focusmax software |
| Dates | August 29,2005. |
| Location | Lentin Observatory |
| Exposure | R,G,B = 52mn each color . bin1 -12°c. Scale= 1.58^s/pixel |
| Acquisition | MaxIm DL 4, TheSky 6, |
| Processing | MaxIm DL 4, Photoshop CS, Registar, Neat Image. |
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Antoine Vergara