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| Click image for higher resolution | |||||||
| Object name: | NGC2237 / 2244 Rosette Nebula | Optics: | TEC 110 FL Fluorite Apo with original flattener | ||||
| Objekt type: | Emission nebula | Focal lenght: | 110 mm | ||||
| Constellation: | Monoceros (Einhorn) | Camera: | FLI Microline 16803-65 | ||||
| Location/Date: | Remseck / 14. February 2017 | Exposure: | 14 x 1200sec H-alpha / 14 x 1200sec O III / 8 x 1200sec SII / 3 x 300sec RGB | ||||
| Distance: | approx. 5500 Lj | Filters: | Astrodon 3 nm narrowband filters / Baader LRGB filters | ||||
| Apparent dimensions:): | approx. 80' x 60' | Mount: | 10micron GM2000 HPS | ||||
| Real dimensions: | Autoguiding: | Off-Axis Guider - SX Lodestar | |||||
| Brightness: | approx. 6m | Software: | MaxIm DL / Registar / Photoshop CS5 / PixInsight / Straton | ||||
| Position (R.A. / DEC): | 06h 30' 42" / +05° 01' 00" | Image processing: | Tone mapping according to real colors | ||||
Explanation: The above shown image consists of 2 objects. Located In the center of the nebula is the open cluster NGC 2244 which stimulates the surrouning gas to glow. The nebula itself consists of NGC 2237, NGC 2238, NGC 2239 und NGC 2246. It's expansion at the night skies is huge and is about 5x full moon diameter. |
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