NGC 654, NGC 663, and IC 166
Also Known as: Cr 18, Caldwell 10 (NGC 663), Cr 20 (NGC 663)
Object Type: Open Cluster
Constellation: Cassiopeia
Distance from Earth: 7,830 Light years (NGC 654), 6,850 (NGC 663)
Apparent Magnitude: 6.5 (NGC 654), 7.1 (NGC 663)
Coordinates: RA 01H 44M 0.0S DEC 61 deg 53 min 06 sec
Actual Size: 11.4 light years (NGC 654)
Apparent Dimensions: 5 arc-minutes (NGC 654)
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Environmental Data
Date: October 19, 2022 Start Time: 7:38PM End Time: 12:39AM SQM: 19.41
Moon Age: 23.7 days Moonrise: 0:32AM Moon Illumination: 33.3%
Temperature: 52 degrees F Humidity: 65% Dew Point: 40 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 DirectSync SVX30
Telescope: Stellarvue SV90 refractor Focal Length: 504mm
Focal Reducer/Field Flattener: 0.8 Filter: None
Rotator: Manual 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 1.43 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: 2.5 sec Binning: 1x1 Tracking Result: 0.82 arc-seconds RMS
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Images Taken
Number of light frames: 109 Duration: 2 minutes Gain: 100
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 5.6
Total Integration Time: 3.63 hours
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Number of flat frames: 51 Duration: 0.06 Gain: 100
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 5.6
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: 1x1 F-Stop: 5.6
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Number of Bias frames: 50 (from library) Duration: 0.001 seconds Gain: 100
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 5.6
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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: AutomaticBackgroundExtraction, ImageSolve, SpectroPhotometricColorCalibration, BlurXTerminator, NoiseXTerminator
Non-Linear: HistogramTransformation
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Notes:
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