Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  IC 1396
Elephant Trunk (IC 1396) bicolor, 



    
        

            Matt McBee
Elephant Trunk (IC 1396) bicolor
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Elephant Trunk (IC 1396) bicolor

Acquisition details

Dates:
Sept. 30, 2011 ·  Oct. 2, 2011
Frames:
Astrodon H-alpha 5nm: 13×900(3h 15′) -15°C bin 1×1
OIII 3nm: 8×900(2h) -15°C bin 1×1
Integration:
5h 15′
Darks:
20
Flats:
20
Flat darks:
20
Avg. Moon age:
4.60 days
Avg. Moon phase:
22.88%
Bortle Dark-Sky Scale:
5.00

Basic astrometry details

Astrometry.net job: 85944

RA center: 21h36m55s.2

DEC center: +57°2703

Pixel scale: 2.940 arcsec/pixel

Orientation: -81.856 degrees

Field radius: 1.260 degrees

Resolution: 620x384

File size: 234.7 KB

Locations: Driveway, Kingsport, TN, United States

Description

This was my first bicolor composition. I used Cannistra's instructions to create a synthetic green channel from the Ha and OIII data.

Comments

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Elephant Trunk (IC 1396) bicolor, 



    
        

            Matt McBee