Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 106  ·  NGC 4217  ·  NGC 4226  ·  NGC 4231  ·  NGC 4232  ·  NGC 4248  ·  NGC 4258
M106 and neighbourhood, 


M106 and neighbourhood
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M106 and neighbourhood

Technical card

Imaging telescopes or lenses: TS ONTC 8" Newton f4 (800 mm)

Imaging cameras: Moravian Instruments G2 8300FW

Mounts: Skywatcher NEQ6 Pro Goto

Guiding telescopes or lenses: TS ONTC 8" Newton f4 (800 mm)

Guiding cameras: ASI 120MM-S

Focal reducers: TS GPU Aplanatic Newton Koma Korrektor

Software: PixInsight 1.8  ·  PHD2 Guiding

Filters: Baader LRGB 1.25'' CCD Filters  ·  Baader 7nm Ha 2''

Dates:May 8, 2016

Baader 7nm Ha 2'': 8x600" -30C bin 1x1
Baader LRGB 1.25'' CCD Filters: 58x300" -30C

Integration: 6.2 hours

Darks: ~10

Flats: ~50

Bias: ~100

Avg. Moon age: 1.96 days

Avg. Moon phase: 4.29%

Temperature: 10.00

Basic astrometry details

Astrometry.net job: 1091837

RA center: 12h 17' 20"

DEC center: +47° 14' 6"

Pixel scale: 1.402 arcsec/pixel

Orientation: -159.527 degrees

Field radius: 0.674 degrees

Resolution: 2761x2085

Locations: Backyard, Bayreuth, Bayern, Germany


My first try on combining LRGB data with H-alpha. All data was taken during two following nights. The luminance and halpha data are ok. I need more RGB data because its pretty noisy. I used all kind of software noise reuction algorithms (randomly :D). Finally it looks better than i expected it from the RGB data.

L: 40 x 300s 1x1 binning
R,G,B: each 6x 300s 2x2 binning
H-alpha: 8x600s 1x1 binning


Sky plot

Sky plot


M106 and neighbourhood,