Constellation tour in Autumn
Perseus

Click on image to enlarge

Date & Time: Dec 10 2020, from 20:00 to 20:36 JST(+0900)
Composed 8 shots with 5 minutes exposed
Optical: TAMRON 17-35mm Di OSD (f=28mm, stop: F4.0)
with IDAS LPS-P2-FF & Kenko Softon Clear filters
Auto-guided with Kenko SKYMEMO 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 		Perseus is a hero in the myth of ancient Ethiopian story; he rescued Princess Andromeda from the monster Tiamat (constellation of Cetus). He holds a sword in his left hand and a head of Medusa in right one. The asterism consists of plenty of bright and faint stars because of being just bathed in the Milky Way.
Beta Persei "Algol", that marks the Medusa's eye is a noticeable eclipsing binary system, changing from 2.2 to 3.5 every about 3 days. The name itself means "The Demon's head".
And the constellation is also famous for a major meteoric swarm, the Gamma Persei, it has the peak of appearance in the middle of August every year, you can appreciate from 60 to 120 meteors per hour.


Guide for Deep Sky Objects

Double-Clusters ..... Two attractive Open Clusters between Perseus & Cassiopeia
California Nebula ..... Diffused Nebula 1 degree North of Zeta Persei
Nebulosities around the California Nebula ..... Wide-field image of the California Nebula and dar lane in NE vicinity
M34 ..... Open Cluster 5 degree NW of Algol, 1400 ly. away
M76 ..... Small planetary nebula at the western edge bordering to Andromeda
Around Mel.20 ..... Open cluster spread around alpha Persei
NGC1003 .....An indistinct edge-on galaxy on a border to Andromeda
NGC1023 ..... Medium-sized galaxy 3.5 deg. south of M34
NGC1169 ..... Medium-scaled barred galaxy at 5deg. SW of alpha Per
NGC1333 .....Small reflection nebula in southern edge, WSW of omicron Per.
NGC1342 ..... Medium-sized open cluster 4 degrees west of California Nebula
NGC1528, NGC1491 ..... Open cluster & diffused nebula about 8 deg. east of alpha Persei.
NGC1579 ..... Small reflection nebula 6 deg. east of California nebula.
Sh2-211, 212 ..... Diffused nebula & open cluster near a border to Auriga & Camelopardlis
Around IC284 .....Small galaxy group at 1.5deg. north of Algol, about 120 million ly away
Around IC348 & IC1985 ..... Small reflection nebula just south of omicron Per & neighboring nebulosities
IC1985 .....Close-up of a reflection nebula vicinity just south of omicron Per
Nebulosities between Perseus & Camelopardalis .....Wide-field image of distribution of emission & dark nebulae striding Camelopardalis
Sh2-205 ..... A vast but dimmed diffused nebula spread around a border of Camelopardalis
Sh2-210 .....A dimmed 20' diameter diffused nebula near a border to Camelopardalis
vdB24 .....Small reflection nebula 3deg. NW of the California Nebula
Perseus I Cluster ..... Medium-scaled galactic cluster 2deg. ENE of Algol, 230 million ly away.
PK149-3.1 ..... Large but faint planetary nebula at 4deg. esat of α Per



Cepheus
Cetus

Copyright(c) 2020 by Naoyuki Kurita, All rights reserved.
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