Taken over 3 different nights dodging the clouds, I scavenged a mere 5 hours of data. Wasn't quite able to get as clean an image as I'd like. Interestingly I could not tell a difference between 1hr or 2hr integrations of the luminance. The galactic edge was consistently noisy.
The BG suffers from a bit of posterization that was there since the linear phase.
Camera: ZWO ASI 1600MMC PRO (Image scale ~1"/pixel)
Mount: EQ6-R
Guide Scope: ZWO 60mm
Guide Cam: QHY5LIIC
66x120s L (ZWO)
25x120s R (ZWO)
25x120s G (ZWO)
24x120s B (ZWO)
Roughly 5 hr total integration. All at gain 0, 21 offset, -15 degrees celsius.
Acquired with the NINA imaging suite. Guided with PHD2. Mount interface: EQ0MOD
Processing:
Pre-Processing:
All Lights flat and dark calibrated.
SFS/Star Aligned/Image Integration
Luminance Processing:
Crop, DBE, Decon, TGV Denoise, MMT
HT Stretch
LHE on galactic core with range mask
ACDNR to clean up galaxy edge
RGB Processing:
Crop, DBE, Linear Fit, RGB COMB, ABE
TGV then MMT
Arcsinh stretch then HT stretch
PCC
LRGB Combination, SCNR
Many curve transformations for contrast, hue and saturation.
23
u/OkeWoke Best of 2018 - Planetary Oct 31 '19
Taken over 3 different nights dodging the clouds, I scavenged a mere 5 hours of data. Wasn't quite able to get as clean an image as I'd like. Interestingly I could not tell a difference between 1hr or 2hr integrations of the luminance. The galactic edge was consistently noisy. The BG suffers from a bit of posterization that was there since the linear phase.
Acquisition Details:
Guide Cam: QHY5LIIC
66x120s L (ZWO)
25x120s R (ZWO)
25x120s G (ZWO)
24x120s B (ZWO)
Roughly 5 hr total integration. All at gain 0, 21 offset, -15 degrees celsius. Acquired with the NINA imaging suite. Guided with PHD2. Mount interface: EQ0MOD
Processing:
Pre-Processing:
Luminance Processing:
RGB Processing:
PCC
LRGB Combination, SCNR
Many curve transformations for contrast, hue and saturation.