The Box Nebula (NGC6445)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From Cambridge , the Box Nebula is visible between 23:10 and 03:04. It will become accessible at around 23:10, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 01:07, 27° above your southern horizon. It will become inaccessible at around 03:04 when it sinks below 21° above your south-western horizon.
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Name
The Box Nebula (NGC6445)
|
Object type
Planetary nebula
|
Position
| Right ascension: | 17h49m [1] |
| Declination: | −20°00' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 11.20 (V) [1] 13.20 (B) [1] |
| Angular dimensions: | 0.6 arcmin x 0.6 arcmin |
| Distance: | 2.5 kpc 8.1 klyr [2] |
| B-V Color (mag): | 2.00 |
Derived quantities
| Absolute mag (V): | -0.79 |
Visibility from Cambridge
All times shown in Cambridge local time.