NGC1023 (Galaxy)

Image of NGC1023
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
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From South El Monte , NGC1023 will become visible at around 18:32 (PST), 70° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:17.

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Name NGC1023
Object type Galaxy
Other names
NGC 1023[1]
Arp 135[4]
UGC 2154[2]
PGC 10123[3]
Position
Right ascension:02h40m [3]
Declination:+39°03' [3]
Constellation:Perseus
Magnitude:9.30 (V) [4]
14.48 (B) [1]
7.16 (J) [1]
6.49 (H) [1]
6.24 (K) [1]
Angular dimensions:1.3 arcmin x 0.7 arcmin
Position angle:Major axis 50.0°E of N
Hubble type:IB
B-V Color (mag):0.68
Sources
Visibility from South El Monte

All times shown in South El Monte local time.

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PST

Color scheme


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Last updated: 11 Feb 2026, 19:11 UTC
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