Deep Sky Object in Summer
NGC6357 (Diffused Nebula in Scorpius)
Click on image to enlarge
| Date & Time: | Aug 15 2020, from 21:07 to 21:33 JST(+0900) |
| Composed 6 shots with 5 minutes exposed |
| Optical: | TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3) |
| with IDAS LPS-D1 Light-pollution suppression filter |
| Auto-guided with TAKAHASHI EM-200 Equatorial & Lacerta M-GEN |
| Digital Camera: | Canon EOS 6D (Remodeled) |
| Location: | Koumi town, Nagano pref. |
| Camera Settings: | Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5472×3648) |
| Device Size...36×24mm, Sensitivity...ISO1600 |
| NGC6357 / Diffused Nebula, type E |
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| R.A. | 17h 24m 35.9s (2000.0) |
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| Dec. | -34°09' 59" (2000.0) |
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| Apparent Size | 31.8×30.0' |
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| Real Size | 57×53 light yrs. |
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| Magnitude | - |
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| Distance | 6200 light yrs. |
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| Other IDs | Sh2-11, RCW131
Gum 66 |
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This image shows you a close-up image of NGC6357. You can detect the complicated structure of the nebula.
And this image includes extraordinary indistinct reddish nebulosities in whole of the field.
This image has been cropped with an equivalent focal length of 700mm.
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