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Deep Sky IC_1871 Stacked only

Tracy

Dark Sky Lover
Founder
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Location
Texas
Telescopes

William Optics 103mm
Celestron NexStar 8SE


Gain:   101
Offset:   50
Exposure Time:   240 seconds
Camera Temp:   -5 °C
Camera:   ASI533MM Pro
Worth messing with...or chunk in the trash.
First attempt at stacking much with APP. I haven't even tried anything with it in PixInSight yet. This was over 2 nights, and I think that is why there is a line at the top and bottom (probably from alignment since some were after a flip) that cropping can take out.

21 Ha
11 OIII
11 SII
5 Luminance
3 R/G/B

1666478535992.jpeg
 
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OhNo

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Saskatchewan, Canada
Looks all right. Did you focus after a filter change? BTW what make of Narrow Band (NB) filters are you using?
 

Tracy

Dark Sky Lover
Founder
Messages
377
Reaction score
55
Location
Texas
Telescopes

William Optics 103mm
Celestron NexStar 8SE


Looks all right. Did you focus after a filter change? BTW what make of Narrow Band (NB) filters are you using?
I have SM set to auto-focus after each filter change, and it seems to work.
The filters are the "Premium" ZWO LRGB 1.25" and the ZWO Narrowband SHO 7nm threaded for the ZWO auto-focuser.
 
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