Messier 32 (M32)
Common Name: Le Gentil
Also Known as: NGC 221, Arp 168
Object Type: Dwarf Elliptical Galaxy
Constellation: Andromeda
Distance from Earth: 2.49 million light years
Apparent Magnitude: 8.08
Coordinates: RA 00H 42M 41.8S DEC 40 deg 51 min 55 sec
Actual Size: 6,500 light years in diameter.
Apparent Dimensions: 8.7 arc-minutes x 6.5 arc-minutes
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Environmental Data
Date: September 8, 2022 Start Time: 8:15PM End Time: 1:02AM SQM: 19.31
Moon Age: 13.4 days Moonrise: 6:39PM Moon Illumination: 97.5%
Temperature: 63 degrees F Humidity: 79% Dew Point: 56 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 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 Good HFR 2.75 Platesolve: Good on 3rd attempt
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Guide Scope Data
Telescope: Stellarvue SVX130 refractor Camera: ZWO ASI290 Focuser: Optec DirectSync SVX30
Dew Heater: Kendrick dew strip Software: PHD2 Exposure: 1 sec Binning: 1x1 Tracking Result: 0.55 arc-seconds RMS
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Images Taken
Number of light frames: 150 Duration: 2 minute Gain: 100
Camera Temperature: -10 degrees C Binning: 2x2 F-Stop: 7.0
Total Integration Time: 5 hours
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Number of flat frames: 50 Duration: 0.15 seconds Gain: 100
Camera Temperature: -10 degrees C Binning: 2x2 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: -10 degrees C Binning: 2x2 F-Stop: 7.0
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Number of Bias frames: 50 (from library) Duration: 0.001 seconds Gain: 100
Camera Temperature: -10 degrees C Binning: 2x2 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: DynamicCrop, AutomaticBackgroundExtraction, ImageSolve, SpectroPhotometricColorCalibration, BlurXTerminator
Non-Linear: GeneralizedHyperbolicStretch script, NoiseXterminator, HistogramTransformation, CurvesTransformation.
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Notes:
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