NGC 133 & NGC 146 group
Also Known as: Collinder 3 (NGC 133)
Object Type: Open Clusters
Constellation: Cassiopeia
Distance from Earth: 630 Light years (NGC 133), 9,880 light years (NGC 146)
Apparent Magnitude: 9.4 (NGC 133), 9.1 (NGC 146)
Coordinates: RA 00H 31M 16.9S DEC 63 deg 21 min 09sec (NGC 133), RA 00H 33M 3.9S DEC 63 deg 18 min 32 sec (NGC 146)
Actual Size: 0.4 light years (NGC 133)
Apparent Dimensions: 2.1 arc-minutes x 2.1 arc-minutes (NGC 133)
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Environmental Data
Date: October 21, 2022 Start Time: 7:00PM End Time: 3:19PM SQM: 18.32
Moon Age: 25.6 days Moonrise: 2:40AM Moon Illumination: 16.0%
Temperature: 53 degrees F Humidity: 80% Dew Point: 48 degrees F
Location: Westport, Massachusetts 02790 Sky Condition: Clear SQM: 19.98
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: 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 1.49 Platesolve: Success on 3rd attempt
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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 sec Binning: 1x1 Tracking Result: 0.55 arc-seconds RMS
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Images Taken
Number of light frames: 230 Duration: 2 minutes Gain: 100
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 5.6
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Number of flat frames: 50 Duration: 0.06 seconds Gain: 100
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 5.6
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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, StarXterminator
Non-Linear:
Stars only image: HistogramTransformation
Starlessimage only: GeneralizedHyperbolicStretch script, CurvesTransformation
PixelMatch to combine stars only and starless images.
Notes:
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