NGC 5908   Galaxy                      Click on photo to return to 'Galaxies'                                 Home
For highest resolution click ---->  NGC 6946 full resolution


Cropped & magnified

NGC 6946
(also known as the Fireworks Galaxy, Arp 29, and Caldwell 12), is an intermediate spiral galaxy about 22.5 million light-years away,
in the constellations Cepheus and Cygnus.
It was discovered by William Herschel on September 9, 1798. NGC 6946 is highly obscured by interstellar matter of the Milky Way galaxy,
as it is quite close to the galactic plane.
Nine supernovae in the last 60 years or so, have been observed in NGC 6946.
Magnitude: 9.0
Equatorial: RA: 20h 35m 11s   Dec: +60°12'46"(current)
Horizon: Azim: 324°24'04"   Alt: +31°38'55"
Size: 11.5 x 9.8
Transit time: 17:08  Always above horizon.
Object type: Spiral Galaxy
Source catalog: Revised NGC    Catalog number: 6946
Blue mag: 9.7
Surface brightness: 14.0
Remarks: ARP 29, IRAS20338+5958
Dreyer description : Very faint, very large, very gradually, very abruptly brighter middle, partially resolved.

Photo Specifications:
      TELESCOPE:  8" Newtonian F/5
            CAMERA:   'SBIG'  STL-4020M & Baader Filters
CAMERA TEMP:  Temp. = -28 C
                   DATE:    11/25/2014

Filter
Total
Exposure  time
Sub-frame
 Exposure time
Number  of Sub-frames
Binning
Luminance
30 min
1800 sec
1
1x1
Red
20 min
1200 sec
1
2x2
Green
20 min
1200 sec
1
2x2
Blue
20 min
1200 sec
1
2x2
Other










 Processing:    MaxIm;  color combine, DDP, CCDStack align, Photoshop CS2