B 142 + 143 - Barnard's E
B 142 + 143 - Barnard's E |
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Object data of B143 |
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| Object type: | dark nebula (opacity class 6) | |
| Size: | ||
| Magnitude: | ||
| Constellation: | Aql | |
| Distance: | 2,000 Ly | |
| Notes: |
Barnard's E consists of the dark nebulae B142 (=LDN688), B143 (=LDN694), LDN690 and LDN689. B143 builds a very dense part of this dark nebula complex (opacity class = 6). |
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Exposure data |
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| Date: | 2009-07-20+21+22+26 | |
| Location: | Nussbach / Austria (400m) | |
| Telescope: | TeleVue NP101 (4" Apo f=540mm) | |
| Camera: | ST2000XM with CFW8 and Baader Filters | |
| Binning: | L 1x1 / RGB 2x2 | |
| Exposure time: | L 34x12m / R 12x8m / G 12x8m / B 12x8m | |
| Exposure time total: | 11h 36m | |
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