| NGC7635 and
M52.
The Bubble Nebula and the Scorpion Cluster |
| Diffuse
nebula and open cluster in Cassiopeia |
| The Bubble nebula, also
cataloged as Caldwell 11, is the minor of three bubbles
around a very massive star in cassiopeia. The bubble is formed by the
gas ejected by the star. Its distance to earth is 11,300 light years. M52 is an open cluster located in the milky way field. It is one of the clusters for which the name "salt and pepper" has been proposed its distance to earth is 5,000 light years and its visual magnitude is 5.8 . More information can be found at Messier index. M52 |
| Date and location | 22 to 25 november 2011. Caraquiz, Guadalajara. |
| Telescope | ASA N10, F=906mm on ASA DDM85 mount. No autoguiding. |
| Camera | FLI ML11002. H-alfa 7nm and RGB Baader filters. |
| Image
processing |
H-alfa: 28x900s;
RGB: 30x300s. Images stacked and processed with
Pixinsight . |
 |
| Date and location | 24-ago-2006. Caraquiz, Guadalajara. |
| Telescope | Megrez II 80ED, f=560mm. Focal reducer 0.7. Autoguíde with Guidemaster and Toucam SC3 and LX200R |
| Camera | Artemis285. IDAS LPS Hutech filter, with IR cut |
| Image
processing |
L: 12x300s; H-alfa:
12x600s;
RGB: 5x120s.
Images stacked with AIP4WIN.
Histograms, HLHRGB and process with Pixinsight LE |
| Visits since september 14th, 2004: |
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