How to Find Caldwell 12, The Fireworks Galaxy

How to Find Caldwell 12, The Fireworks Galaxy

Fireworks Galaxy NGC6946.jpg

Caldwell 12, the fireworks galaxy is a spiral galaxy approximately 22 million light years away. It was discovered by Herschel in September 1798. It is well worth having a look at whilst you are in this part of the sky as nine supernovae have gone off in the last sixty years. You never know you might be the first to see the tenth. Hence, the name of this galaxy.

Telescopic Image to Scale:


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

Other Names:

Caldwell 12

NGC 6946

C 12

Fireworks Galaxy

Arp 29


Magnitude = 10.5

Surface brightness = 14

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 galaxy officially resides in the Cygnus Constellation. It's co-ordinates are: RA 20h 35m 10.09 DEC +60° 12′ 11.8″ if you are using guiding software. The image below shows its location in the crosshairs.

How to find Caldwell 12, NGC 6946. The fireworks galaxy

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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