NGC 7814
Common Name: The Little Sombrero
Also Known as: Caldwell 43
Object Type: Spiral Galaxy
Constellation: Pegasus
Distance from Earth: 40 million light years
Apparent Magnitude: 11.6
Coordinates: RA 00H 03M 14.9S DEC 16 deg 08 min 44 sec
Actual Size: 60,000 light years in diameter
Apparent Dimensions: 5.5 arc-minutes x 2.3 arc-minutes
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Environmental Data
Date: November 22, 2022 Start Time: 7:05PM End Time: 1:12AM SQM: 19.87
Moon Age: 28.1 days Moonrise: 5:01AM Moon Illumination: 2.3%
Temperature: 41 degrees F Humidity: 72% Dew Point: 33 degrees F
Location: Westport, Massachusetts 02790 Sky Condition: Clear
Comment:
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Imaging Scope Data
Mount: iOptron CEM120 Camera: ZWO ASI2600 OSC Focuser: Optec QuickSync FT20
Telescope: Celestron 11 inch SCT Edge Focal Length: 1960mm
Focal Reducer/Field Flattener: 0.7 focal reducer Filter: None
Rotator: Pegasus Falcon rotator Power Control: Pegasus Ultimate Powerbox V2 Dew Heater: Kendrick dew strip
Imaging Software
Mount: iOptron Commander Focuser: Optec FocusLynx Commander
Imaging: Sequence Generator Pro Platesolve: ASTAP Rotator/Control: Pegasus Unity Platform
Imaging Status
Imaging Software: Sequence Generated Focus HFR: 2.95 Platesolve:
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Guide Scope Data
Telescope: Stellarvue SVX130 refractor Camera: ZWO ASI290 Focuser: Optec DirectSync SV35
Dew Heater: Kendrick dew strip Software: PHD2 Exposure: 1-2 sec Binning: 1x1 Tracking Result: 1.0 arc-seconds RMS
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Images Taken
Number of light frames: 120 Duration: 2 minutes Gain: 100
Camera Temperature: -20 degrees C Binning: 1x1 F-Stop: 7.0
Total Integration Time: 4 hours
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Number of flat frames: 50 Duration: 0.15 seconds Gain: 100
Camera Temperature: -20 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: 2 minutes Gain: 100
Camera Temperature: -20 degrees C Binning: 1x1 F-Stop: 7.0
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Number of Bias frames: 50 (from library) Duration: 0.001 seconds Gain: 100
Camera Temperature: -20 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: DnamicBackgroundExtraction, ImageSolve, SpectroPhotometricColorCalibration, BlurXTerminator, NoiseXterminator
Non-Linear: ArcSinH stretch, GAME script for mask, HistogramTransformation of background, CurvesTransformation of forground
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Notes:
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