NGC1240 (Double star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , NGC1240 will become visible at around 20:20 (EDT), 28° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:22.
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Name
NGC1240
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Object type
Double star
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Source