Ngc 2359 ,thor's Helmet,or Duck Nebula,in Hst Pallete

Technical Details

Optics

GSO RC 8" fl 1624 at f/8/Lumicon OAG,Image scale 1,37,fov 29x38,3.

Mount

Orion Atlas EQ-G

Camera

QHY-9 at -12C/Orion starshoot (autoguider)

Filters

Astronomik Ha,OII,SII

Date

Dec 21-22, 2009.

Location

Panorama Thessaloniki Greece

Sky Conditions

Seeing 2,5-5 , temperature 12 C,

Exposure

Ha = 23x600'',OIII = 6X600'',SII = 6X600'' All binned x 2

Processing

Image aquisition and color combine , image calibration, aligning, in Maximdl5

H-alpha as L and 100% as green, O-III as blu,SII as red curves, unsharp mask, color balance, Noise reduction and many other in Photoshop.

MACHON OBSERVATORY.