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dunc

Comet 46P/Wirtanen from Normandy

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Equipment:  TS1506UNC Newtonian, ZWO ASI294MC Pro E30s G390 T-20c, TS KomaKorr corrector, OAG & GPCam2 Mono, NEQ6 Belt drive.

Captured in APT, stacked in DSS and tweaked in GIMP 2.10.

Stacking mode: Intersection
Alignment method: Automatic
Comet processing : Align on stars and comet (comet had to be selected in each frame)
Stacking step 1 ->55 frames (ISO: -) - total exposure: 27 mn 30 s 
RGB Channels Background Calibration: No 
Per Channel Background Calibration: No
Method: Kappa-Sigma (Kappa = 1.40, Iterations = 5)
-> No Offset -> No Dark -> No Flat

46P_Wirtanen_25min_G390_30s_-20C_DSS_ST_GIMP.jpg

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That’s lovely, I think that’s the first one I’ve seen with defraction spikes. The stars are great, and their yellow colour contrasts the green of the comet brilliantly. 

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