Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  HD122865  ·  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  Pinwheel galaxy
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M101, Ben Loftin
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M101

Getting plate-solving status, please wait...
M101, Ben Loftin
Powered byPixInsight

M101

Equipment

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Acquisition details

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Description

Another good target for 1400mm FL RC10 that frames nicely so only a little cropping.

Equipment used:
CEM70
TS-Optics 10" f/8 Astrograph Truss
ZWO OAGZWO ASI174MM - Guide Camera
ZWO ASI294MM - Main Camera
Optolong LRGB filters
Gain 120, Offset 30
H: 67, 180 sec
R: 77, 120 sec
G: 71, 120 sec
B: 80, 120 sec
11 hrs total integration
Bortle: class 6
Elevation: 1758 meters
Location: South Denver
ASIAir Pro, guide/sequence etc.Pixinsight- calbration flats/lights/CC, SubframeSelector, Star Alignment, Integration,
mure denoise
DBE
Historgram Transformation
RGB Combination
BackgroundNeutralization
HDRMT
SCNR Green 1.0
Image solver
Photometric Color Calibration
levels+Curve
Pixel  Math to combine Ha -((integration_DBE * R_bandwidth) - (RGB_R * HA_bandwidth)) / (R_bandwidth - HA_bandwidth)https://www.lightvortexastronomy.com/tutorial-combining-lrgb-with-narrowband.htmlDynamic Crop
Resample

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M101, Ben Loftin