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| Object name: | Sharpless 2-155 Cave Nebula | Optics: | TEC 110 FL Fluorite Apo with original flattener | ||||
| Objekt type: | Emission nebula | Focal lenght: | 616 mm | ||||
| Constellation: | Cepheus | Camera: | FLI ML 16803-65 | ||||
| Location / Date: | Remseck / 27th of August 2016 | Exposure: | 27 x 1200 sec Ha / 23 x 1200 sec SII / 27 x 600 sec Blue / 1 x 300 sec RGB - Total exposure approx. 21 hours | ||||
| Distance: | approx. 2400 ly | Filters: | Astrodon 3 nm narrowband filters / Baader LRGB filters | ||||
| Apparent dimensions: | approx. 4° | Mount: | 10micron GM2000 HPS | ||||
| Real dimensions: | approx. 35 ly | Autoguiding: | Off-Axis Guider - SX Lodestar | ||||
| Brightness: | approx. 7.7m | Software: | MaxIm DL / Registar / Photoshop CS5 / PixInsight / Straton | ||||
| Position (R.A. / DEC): | 22h 54' / +62°21' | Image processing: | Tone mapping according to real colors | ||||
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Sharpless2-155 (Sh2 155) is a faint and diffuse emission nebula in constellation Cepheus, containing emission, reflection and dark nebula parts. The common name is "Cave-Nebula. This image contains Ha, SII and Blue filtered data. There was no significant OIII data available. FOV is 3.3°
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