IC4997 (Planetary nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , IC4997 will become visible at around 17:27 (EST), 57° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:02.
Name
IC4997
|
Object type
Planetary nebula
|
Position
Right ascension: | 20h20m [1] |
Declination: | +16°43' [1] |
Constellation: | Sagitta |
Magnitude: | 10.50 (V) [1] 11.60 (B) [1] 10.45 (J) [1] 10.41 (H) [1] 9.67 (K) [1] |
B-V Color (mag): | 1.10 |
Sources