These earthly godfathers of Heaven's lights, that give a name to every fixed star, have no more profit of their shining nights than those that walk and know not what they are.

— William Shakespeare

bubble

Bubble In Cassiopea

The bubble nebula in Cassiopea, also known as Caldwell 11.

Two hours H Alpha exposure through a 5" refractor and Starlight express CCD camera.

Bubble In Cassiopea

DOUBLE BUBBLE ?

BUBBLE NEBULA: Emission Nebula in Cassiopeia at 7800 ly distance. The bright star at 2 o'clock in the Bubble is an O-type star nearing subernova stage and is the source of the Bubbles shape. You may also note that there is another Bubble which is 2 1/2 times larger and dimmer which stretches downward to the bright star near and to the left of image center. Aquired thru an AstroTech111edt refractor @ f/7, Nautilus Motorized Filter Wheel, Ha filter and SXVR-H9 ccd from Whiting, NJ 10-20-12 15 x 10 min exposures combined in Maxim DL, false color added.

DOUBLE BUBBLE ?

Bubble

The bubble nebula between Cepheus and Cassiopea this late October. One hour image in H-Alpha light. Twenty minutes each in Red Green and blue light.

Bubble

Bubble Nebula

Taken from Whiting, NJ, combined 40 - one min images, Orion 80ed

Bubble Nebula

NGC 7635 The Bubble Nebula

96 X 60 seconds = 1.5 hours
Camera: QHY8
LPS Filter
Scope:  LX200 14 GPS @ F/2
 

NGC 7635 The Bubble Nebula

The bubble ????

One of my favourite objects to image.
This is what I see.....
Now go back to the previous picture and see what you see..
 

The bubble ????

The bubble

One of my favourite objects to image.
This is what the camera sees.....

The bubble

What is it?

Some deep sky object are  aptly named. The bubble is certainly one of them.
But when you really examine it in detail, it could have also been named the "screaming alien".

What is it?

The bubble

The Bubble has always been my favorite deep sky object.
Here it is in a one hour exposure.

The bubble