M 27

L(OSC,Ha)-R(OSC,Ha)-G(OSC,O3)-B(OSC)

Please move mouse over to visualize the effect of additional 6.5 hours H-Alpha+ 3 hours 2x2 binned O3 (2x2 binned)

scroll down to see the full size version

Date: 13.7.2007 - seeing 6-7/10; transp. 4-5/10

Scope: 9" TMB Apo f/6.8 using Astrophysicsreducer for OSC - M25C. 9" f/9 for monochrome CCD H16.

CCD: SXV M25C - 3.8 hours(8 + 10min frames)

Filter: Astronomik IIc

June+July+August 2008: 7 hours 2x2 binned H-Alpha (H16)

July+August 2008: 3 hours 2x2 binned O3 (H16)

Software: AstroArt4 image acquisition, autoguiding, preprocessing in CCD Stack, Maxim Dl, CCD Sharp

Processing: postprocess. PS CS2

See image + H-Alpha + O3

 
 
full size OSC only
 

 

 

 

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