Deep Sky Object in Autumn
M34 (Open Cluster in Perseus)

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Date & Time: Nov 21 2020, from 25:41 to 26:32 JST(+0900)
Composed 6 shots with 10 minutes exposed
Optical: TAKAHASHI 12.5cm(4.9") fluorite refractor with conversion lens (f=700mm, F5.6)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with VIXEN ATLUX Equatorial & ZWO ASI174MC + PHD2
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)
CCD Sensitivity...ISO800


M34 (NGC1039) / Open Cluster, type d, II 3 r
R.A.02h 42m 0.0s (2000.0)
Dec.+42° 47' 00" (2000.0)
Apparent Size18'
Real Size7 light yrs.
# of Stars30
Magnitude5.5
Distance1430 light yrs.
M34 (NGC1039) is a fine open cluster about five degrees NW of a famous variable star, Algol (beta Persei). You can detect the cluster with naked eye as a dimmed lump of light. It's containing about 60 stars, about 10 bright stars are noticeable with lots of faint stars as a background through binoculars. Its distance is about 1400 light-years.



Quasar 3C48
M52 & Bubble Nebula

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