NGC 6888
The Crescent Nebula
Emission Nebula
Size: 20' x 10'
Constellation: Cygnus
RA: 20h 12m 9s
Dec: +38 20' 9"
In this pic Halpha has been assigned to red chennel, OIII to Blue and the averange between them to the green channel
Scope |
Mount |
Film |
Processing |
Place |
STF Mak Cassegrein with Celestron focal reducer. 180 F6.8 |
Gemini G41 with FS2 and STV | Halpha 12*8min OIII 10*8min |
Astroart,Photoshop and Picture Windows.. |
Maremma (GR) |
 |
 |
 |
 |
 |
 |
 |
 |