A bicolor narrowband DSLR image. With a Baader 2″ Ha 7nm and a Baader 2″ Oiii 8.5nm filters from Bortle 7-8 area of my home. 6 nights in total for 25 hours of exposure!

IC1396
IC1396 using ED80 and D5300Ha – 25 hours exposure
GEAR USED

D5300 Ha modded
AVX mount
Orion ED80 with 0.85 reducer
ST80/QHY224C quiding
Sharpcap alignment

IMAGE ACQUISITION DETAILS

52 subs × 900s for Ha (dithered)
49 subs x 900s for Oiii (dithered)
25 flats for each
50 bias for each
12 darks for single Oiii session

TAKEN AT
King City Map
Imaging session @ King City

IMAGE PROCESSING

DSS and Pixinsight 

Stacked in DSS, processing in Pixinsight

Same steps for Ha and Oiii channels:
– Debayered strong channel extracted
– DBE
– Deconvolution
– MLT
– Histogram transformation

Star alignment of Oiii with Ha image

LRGB Combine:
L: Ha
Red: Ha
Green: Oiii
Blue: Oiii

SCNR
Curves
Unsharpmask
Star Reduction

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