How To Find Caldwell 11, The Bubble Nebula

How To Find Caldwell 11, The Bubble Nebula

the bubble nebula.jpg


Caldwell 11, the bubble nebula is found 7,100 light years away. It was discovered by Herschel in 1787. This is an emission nebula. Although a challenge to observe it really is a lovely object as it contains a bubble in the nebula. This is created by a star 40 times the size of our sun in the middle of the bubble blowing out a stellar wind on its way to going supernova.

Image by: Robert J. Vanderbei

Telescopic Image to Scale:

C29.jpg


This image is the size of a full moon for size comparison.


Other Names:

Caldwell 11

The Bubble Nebula

NGC 7635

C 11


Brightness:

Magnitude = 11.0

Surface brightness = UNK

Telescope Aperture City Suburbs Rural Dark Sky
4 inches 9 10 11 12.5
5 inches 9.5 10.5 11.5 13
6 inches 10 11 12 13.5
8 inches 10.5 11.5 12.5 14
10 inches 11 12 13 14.5


Use this chart to estimate if you can see the object from your location with your telescope. For more help on using this chart click here.


How to Find It:

This nebula officially resides in the Cassiopeia Constellation. It's co-ordinates are: RA 22h 01m 00.64 DEC +50° 46′ 10.8″ if you are using guiding software. The image below shows its location in the crosshairs.

How to find Caldwell 11, the Bubble Nebula


To find more space objects have a look at the constellation guide by clicking the link or go back to the list of deep space objects.



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