Messier 102 (M102)
Common Name: Spindle Galaxy
Also Known as: NGC 5866
Object Type: Lenticular Galaxy
Constellation: Draco
Distance from Earth: 50 million light years
Apparent Magnitude: 10.7
Coordinates: RA 15H 06M 29.5S DEC 55 deg 45 min 48 sec
Actual Size: 70,000 light years in diameter
Apparent Dimensions: 4.7 arc-minutes x21.9 arc-minutes
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Environmental Data
Date: June 5, 2022 Start Time: 9:28PM End Time: 2:19AM SQM: 14.54
Moon Age: 16.6 days Moonrise: 9:00PM Moon Illumination: 96.3%
Temperature: 63 degrees F Humidity: 68% Dew Point: 51 degrees F
Location: Westport, Massachusetts 02790 Sky Condition: Clear
Comment: PHD2 calibration good.
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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: Power Control: None 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 2.84 Platesolve: Problem with newly installed Pegasus Falcon rotator. resulted in reverting to not using rotator. Problem corrected later.
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Guide Scope Data
Telescope: Stellarvue SVX130 Camera: ZWO ASI290 Focuser: Optec DirectSync SV35
Dew Heater: Kendrick dew strip Software: PHD2 Exposure: 2 sec Binning: 1x1 Tracking Result: 0.6 arc-seconds RMS
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Images Taken
Number of light frames: 135 Duration: 2 minutes Gain: 100
Camera Temperature: 0 degrees C Binning: 2x2 F-Stop: 7.0
Total Integration Time: 4.5 hours
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Number of flat frames: 50 Duration: 0.15 seconds Gain: 100
Camera Temperature: 0 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: 0 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: 0 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: DynamicBackgroundExtraction, ImageSolve, SpectroPhotometricColorCalibration, BlurXTerminator, NoiseXterminator
Non-Linear: GeneralizedHyperbolicStretch script, MultiscaleLinearTransform for sharpening, DynamicCrop, HistogramTransformation, CurvesTransformation
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Notes:
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