Ambartsumian's Knot (NGC3561)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Fairfield , Ambartsumian's Knot is visible in the evening sky, becoming accessible around 20:24 (EDT), 51° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:21, 77° above your southern horizon. It will continue to be observable until around 05:00, when it sinks below 21° above your western horizon.
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Name
Ambartsumian's Knot (NGC3561)
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Object type
Galaxy
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Position
| Right ascension: | 11h11m [1] |
| Declination: | +28°41' [1] |
| Constellation: | Ursa Major |
| Magnitude: | 14.70 (V) [1] 14.46 (B) [1] 11.49 (J) [1] 10.73 (H) [1] 10.47 (K) [1] |
| Hubble type: | S0-a |
| B-V Color (mag): | -0.24 |
Source