| Constellation tour in Summer |
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| Date & Time: | Jul 17 2021, from 25:39 to 26:04 JST(+0900) |
| Composed 6 shots with 5 minutes exposed | |
| Optical: | AF zoom-Nikkor 24-85mm (f=85mm, stop: F4.0) |
| with IDAS LPS-P2-FF Light-pollution suppression & Kenko PRO Softon Clear filters | |
| Auto-guided with EYEBELL CD-1 portable Equatorial | |
| Digital Camera: | Canon EOS 550D (Remodeled) |
| Location: | Ooizumi, Hokuto city, Yamanashi pref. |
| Camera Settings: | Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456) |
| Sensitivity...ISO800 |
 Astroarts StellaNavigator |
This tiny constellation is located just east of Aquila.
The asterism of four stars forms rectangle is obvious in skies from summer to early fall, called "Job's Coffin" in the west or "Stars of Lozenge" in Japan. One of many myths said that a Dolphin of the constellation had rescued Arion who was a poet and travelling from Sicily to Corinth, was thrown overboard by the ship's crew. |
Guide for Deep Sky Objects| Blue Flash Nebula (NGC6905) | .....Bluish planetary nebula with 70"-long rugby ball-like shape at 5.8deg. NW of αDel |
| NGC6934 | ...A tiny globular cluster positioned at southern part |
| NGC7006 | ...Compact globular 3.5 deg east of γDel |
 Libra |
 Sagitta |
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Copyright(c) 2021 by Naoyuki Kurita, All rights reserved. |
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