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| Catalogue and alternative designations |
NGC 7635, Bubble nebula. M52 in top left corner. |
| Type | Emission Nebula |
| Position | 23 20 48.3, +61 12 06 |
| Constellation | Cassiopeia |
| Camera and Telescope | QSI 583 WSG, 20cm Maksutov Newtonian courtesy Dean Salman |
| Focal Ratio | F4 |
| Exposure Details | HaRGB 240:90:130:100 with Astrodon series 2 filters |
| Description | NGC
7635 is a faint emission nebula
adjacent to the open cluster
M52. It's most
characteristic feature is the
"bubble" blown by the
massive hot star BD
+602522. It is about
11,000 light years distant and
its apparent size is about 15' x
8'
|