| Constellation tour in Summer |
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| Date & Time: | May 4 2022, from 24:39 to 25:01 JST(+0900) |
| Composed 8 shots with 3 minutes exposed | |
| Optical: | AF zoom-Nikkor 24-85mm (f=35mm, stop:F4.0) |
| with Kenko Starry-Night & PRO Softon Clear filters | |
| Auto-guided with EYEBELL CD-1 portable Equatorial | |
| Digital Camera: | Nikon D810A |
| Location: | Koumi town, Nagano pref. |
| Camera Settings: | Recording Format...14bit CCD-RAW, converted to 16bit TIFF(7360×4912) |
| Device Size...FX format (36×24mm) | |
| Sensitivity...ISO1600, White Balance...Daylight |
 Astroarts StellaNavigator |
The constellation of Scorpius is a large and includes many bright stars, that of the lower half of body is bathed in the summer's Milky Way.
The asterism of a vast skewed shape of "S" was taken an attention in many ancient cultures, for an example, it was regarded as a gigantic fishhook in Japanese fishing villages. Alpha Scorpii is well known as Antares meaning of "Rival of Mars", emitting pale red light at the heart of Scorpion. The star is considered as a supergiant and estimated to be about 230 sun diameters. It's about 600 light years away. To image of Scorpius with closed Mars |
Guide for Deep Sky Objects| Nebulae in north of Antares | .....Impressive star field with complicated vast dark & emission nebulae |
| Nebulosities around head of Scorpius | .....Distribution of dimmed nebular around the head of Scorpius |
| Sh2-1 | .....Dimmed reflection nebula around pi Sco. at the head of Scorpius |
| M4 | .....Globular Cluster just West of Antares, 7 thousand ly. away |
| M6 | .....Open Cluster near a sting of Scorpion, 1800 ly. away |
| M7 | .....Large Open Cluster 3 degree South of M6, 1200 ly. away |
| M80 | .....Compact & dense Globular cluster NW of Antares, 36 thousand ly. away |
| Bug Nebula | .....Unique-shaped planetary nebula in Milky Way |
| NGC6124 | .....An open cluster in SW corner of Scorpius, 2700 ly away |
| NGC6281 | .....Open cluster with 1' diameter 2.5 deg. east of mu Sco. |
| NGC6334, NGC6357 | .....Two diffused Nebulae with unique shapes around the scorpion's sting |
| Around IC4628, H12 | .....Diffused Nebula & Open Cluster at the middle of body |
| IC4592 | .....Dimmed reflection nebula spread just east of beta Sco |
| Sh2-3 | .....Elliptic reddish Hα nebula positioned in southern region |
| LBN1117 | .....Dimmed & vast nebulocity just west of M7 |
| Celestial bodies around Galactic center | .....Star field around northern region of M6 & M7 includes galactic center |
 Great triangle in summer |
 Cygnus |
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Copyright(c) 2022 by Naoyuki Kurita, All rights reserved. |
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