| Constellation tour in Spring |
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| Date & Time: | Mar 20 2020, from 23:34 to 24:00 JST(+0900) |
| Composed 6 shots with 5 minutes exposed | |
| Optical: | AF zoom-Nikkor 24-85mm (f=50mm, stop: F3.5) |
| with IDAS LPS-P2-FF Light-pollution suppression & Kenko PRO Softon[A] filters | |
| Auto-guided with TAKAHASHI EM-200 Equatorial | |
| Digital Camera: | Canon EOS 600D (Remodeled) |
| Location: | Ooizumi, Hokuto city, Yamanashi pref. |
| Camera Settings: | Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456) |
| Sensitivity...ISO800 |
 Astroarts StellaNavigator |
The Cancer is a compact constellation squeezed between Leo and Gemini, members of zodiac.
The constellation is in the shape of a monster of crab crushed by Hercules. The constellation of Cancer has a famous and splendid open cluster of Praesepe (M44) at the shell of the crab. Please refer the page of M44 to read detailed explanation about the cluster. |
Guide for Deep Sky Objects| The Praesepe M44 | .....Huge open cluster at the center of Crab's shell |
| M67 | .....Open cluster 2 degrees west of alpha CnC, 2700 ly. away |
| NGC2563 Group | .....A lenticular & surrounding galaxies at 3deg. west of ηCnc |
| NGC2775 | .....Small galaxy at the border to Hydra |
| Around NGC2795 | .....Small galaxy group centering on an elliptical galaxy in the eastern edge |
| Around NGC2804, NGC2809 | .....Small-scaled galaxy group at 8.6deg. east of the Praesepe (M44) |
| Sh2-290 | .....A vast & indistinct planetary nebula 3 deg. south of alpha Cnc, 152 ly away |
| Abell 30 | .....Dimmed "Born-again planetary nebula" at 35' SE of δCnc |
 Bootes |
 Hydra |
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Copyright(c) 2020 by Naoyuki Kurita, All rights reserved. |
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