Constellation tour in Summer
Ursa Minor (The Little Bear)


Click on image to enlarge

Date & Time: May 3 2021, from 23:14 to 23:36 JST(+0900)
Composed 4 shots with 5 minutes exposed
Optical: AF zoom-Nikkor 24-85mm (f=50mm, stop: F4.0)
with IDAS LPS-P2-FF Light-pollution suppression
& Kenko PRO Softon[A] filters
Auto-guided with TAKAHASHI EM-200 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
Ursa Minor, the Little Bear, includes the Pole Star, it seems to rotate around the celestial North Pole as if flatten itself against the sky. The constellation is visible all the year round at Northern Hemisphere, and we amateur astronomers have used the constellation as a rough guide to explore the evening's sky.
Ursa Minor is often called "The Little Dipper", as the minor version of Big Dipper in Ursa Major (the Big Bear). And beta UMi named Kochab, glittering orange at the tip of dipper is very clear, the star has a name of "YARAI-BOSHI" in Japan, meaning of the guard of Pole Star.



Guide for Deep Sky Objects

Ursa Minor Dwarf(UGC9749) .....An indistinct companion of the Galaxy at 4.7deg. south of gamma UMi, 215 thousand ly away
Molecular Cloud around Polaris .....Distribution of dimmed inter-stellar gaseous matter around Polaris




Draco

Andromeda


Copyright(c) 2021 by Naoyuki Kurita, All rights reserved.
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