Deep Sky Object in Autumn
NGC129 (Open Cluster in Cassiopeia)

Click on image to enlarge

Date & Time: Aug 11 2024, from 24:57 to 25:37 JST(+0900)
Composed 6 shots with 8 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with LPS-D1 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
CMOS Camera: ZWO ASI2600MC Pro (Cooled temp.: -5°C)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording format...16bit FITS, converted to 16bit TIFF(6248×4176)
Device Size...23.5×15.7mm, Gain...100


NGC129 / Open Cluster, type III 2 m
R.A.00h 29m 54.0s (2000.0)
Dec.+60° 14' 00" (2000.0)
Apparent Size21.0'
Real Size12 light yrs.
# of Stars35
Magnitude6.5
Distance2030 light yrs.
Other IDsCr 2
NGC129 is a minor open cluster lying around center of Cassiopeia, it's positioned between beta and γ Cassiopeiae. The cluster has faint stars with 12th magnitude gathering in a span of 20 arc minutes. And a 5th magnitude star is positioned just south of the cluster.



M103
NGC225

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