NGC 7380
Common Name: Wizard Nebula
Also Known as: Sharpless 2-142 (Sh2-142)
Object Type: Open Cluster and Emission Nebula
Constellation: Cepheus
Distance from Earth: 8,500 light years
Apparent Magnitude: 7.2
Coordinates: : RA 22H 47M 21S DEC 58 deg 07 min 54 sec
Actual Size: 40,000 light years in diameter.
Apparent Dimensions: 25 arc-minutes
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Environmental Data
Date: September 18 & 20, 2020 Start Time: End Time: SQM: 18.00
Moon Age: 3.9 days (Sept 20) Moonset: 8:57PM Moon Illumination: 16.3%
Temperature: 57 degrees F Humidity: 48% Dew Point: 37.5 degrees F
Location: Westport, Massachusetts 02790 Sky Condition: Clear
Comment: PHD2 good calibration. Imaged on September 18, saved the sequence and re-used the sequence on September 20.
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Imaging Scope Data
Mount: iOptron CEM120 Camera: ZWO ASI071 OSC Focuser: Optec DirectSync SV35
Telescope: Stellarvue SVX130 refractor Focal Length: 910mm
Focal Reducer/Field Flattener: Field Flattener Filter: IDAS NB-1
Rotator: Manual Power Control: Dew Heater: Kendrick dew strip
Imaging Software
Mount: iOptron Commander Focuser: Optec FocusLynx Commander
Imaging: Sequence Generator Pro Platesolve: Platesolve 2 Rotator/Control: Pegasus Ultimate Powerbox V2
Imaging Status
Imaging Software: Sequence Generated Focus HFR: 1.41 Platesolve: Good on 2nd attempt
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Guide Scope Data
Telescope: Stellarvue SV90 refractor Camera: Lodestar X2 Focuser: Optec DirectSync SVX30
Dew Heater: Kendrick dew strip Software: PHD2 Tracking Result: 0.73 arc-seconds RMS
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Images Taken
Number of light frames: 17/45 Duration: 4 minutes Gain: Unity Gain
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 7.0
Total Integration Time: 4.13 hours
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Number of flat frames: 30/30 Duration: 0.6 seconds Gain: Unity Gain
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 7.0
Flat Field Illumination: All-Pro 'Spike-a-Flat Field standard' illuminated panel
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Number of Dark frames: 50 (from library) Duration: 4 minutes Gain: Unity Gain
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 7.0
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Number of Bias frames: 50 (from library) Duration: 0.001 seconds Gain: Unity Gain
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 7.0
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Imaging Processing
Imaging Processing Software: PixInsight
Processes utilized: Linear - calibration/integration: Flats ImageCalibration with Master Bias, Flat ImageIntegration, Images ImageCalibration with Flat Master & Dark Master, Debayer, SubFrameSelector, StarAlign, ImageIntegration
Linear - Background extraction, Color correction, deconvolution, noise reduction: DynamicBackgroundExtraction, ImageSolve, SpectroPhotometricColorCalibration, BlurXTerminator, NoiseXterminator, StarXterminator
Non-Linear:
Stars-only image: HistogramTransformation
Starless image: CLONE script to remove artifcats, GeneralizedHyperbolicStretch script, MultiScaleLinearTransform to sharpen, CurvesTransformation
ImageBlend to combine Stars-only and Starless images, CurvseTransformation
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Notes:
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