| Object: | Sh2-187 |
| Date of exposures: | 23.11.2016, 27.11.2016, 28.11.2016 |
| Exposures: | Lum: 33 x 600 Sek., RGB: 49 x 360 Sek., Ha: 4 x 900 Sek., Gesamt: 11,4 Std. |
| Telescope: | 10'', F4 Newton |
| Focal length: | 1000 mm |
| Filter: | Astrodon H-Alpha 5nm, Astrodon RGB E-Series, Astronomik CLS |
| Camera: | Atik 460Exm |
| Guiding: | Off Axis Guider mit Lodestar |
| Mount: | EQ8 |
This is an H II region located on the outermost edge of the Orion Arm, surrounded by dark nebula LDN 1317. The distance was estimated in about 4.700 light years. The cloud belongs to a large molecular complex. The visible part of the cloud is surrounded by an extended envelope of neutral hydrogen. Its age can be estimated around to 100-200.000 years.
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Phone: +49 (0) 421 3351360
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