Messier 10 (M10)
Also Known as: NGC 6254, GCI-49
Object Type: Globular Cluster
Constellation: Ophiuchus
Distance from Earth: 14,300 Light years
Apparent Magnitude: 6.4
Coordinates: RA 16H 57M 8.92S DEC -04 deg 05 min 58.07 sec
Actual Size: 80 light years in diameter.
Apparent Dimensions: 20 arc minutes.
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Environmental Data
Date: June 12, 2021 Start Time: 10:15PM End Time: 2:16 AM SQM: 19.96
Moon Age: 2.1 days Moonset: 10:32PM Moon Illumination: 5.1%
Temperature: 68 degrees F Humidity: 68% Dew Point: 57 degrees F
Location: Westport, Massachusetts 02790 Sky Condition: Clear
Comment:
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Imaging Scope Data
Mount: iOptron CEM120 Camera: ZWO ASI071 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: 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 Good HFR 2.47 Platesolve: Good on 2nd attempt
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Guide Scope Data
Telescope: Stellarvue SV90 refractor Camera: ZWO ASI290 Focuser: Optec DirectSync SVX30
Dew Heater: Kendrick dew strip Software: PHD2 Exposure: 2 sec Binning: 1x1 Tracking Result: 0.5 to 0.8 arc-seconds RMS
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Images Taken
Number of light frames: 211 Duration: 1 minute Gain: Unity Gain
Camera Temperature: 0 degrees C Binning: 1x1 F-Stop: 7.0
Total Integration Time: 3.52 hours
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Number of flat frames: 50 Duration: 0.08 seconds Gain: Unity Gain
Camera Temperature: 0 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: 1 minute Gain: Unity Gain
Camera Temperature: 0 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: 0 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, Dynamic Crop
Linear - Background extraction, Color correction, deconvolution, noise reduction: DynamicBackgroundExtraction, ImageSolve, SpectroPhotometricColorCalibration, BlurXTerminator, NoiseXTerminator
Non-Linear: GeneralizedHyperbolicStretch script, CurvesTransformation, HistrogramTransformation, Dynamic Crop, MultiscaleLinearTransform for sharpening, GAME script to isolate globular, HistogramTransform to darken background only
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Notes:
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