Messier 33 (M33)
Common Name: Triangulum Galaxy
Also Known as: NGC 598, Triangulum Pinwheel.
Object Type: Un-barred Spiral Galaxy
Constellation: Triangulum
Distance from Earth: 2.38 to 3.07 million light years
Apparent Magnitude: 5.72
Coordinates: RA 01H 33M 50.02S DEC 30 deg 39 min 36.7 sec
Actual Size: 60,000 light years in diameter
Apparent Dimensions: 70.8 arc-minutes x 41.7 arc-minutes
--------------------------------------------------------------------------
Environmental Data
Date: November 9, 2021 Start Time: 6:29PM End Time: 9:23PM SQM: 19.55
Moon Age: 5.7 days Moonset: 8:59PM Moon Illumination: 32.1%
Temperature: 53 degrees F Humidity: 62% Dew Point: 41 degrees F
Location: Westport, Massachusetts 02790 Sky Condition: Clear
Comment: Clouds forcast for 10PM, but actually came at about 9:30PM
--------------------------------------------------------------------------
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 2.7 Platesolve: Good on 1st attempt
--------------------------------------------------------------------------
Guide Scope Data
Telescope: Stellarvue SV90 refractor Camera: Lodestar X2 Focuser: Optec DirectSync SV30
Dew Heater: Kendrick dew strip Software: PHD2 Exposure: 1 sec Binning: 1x1 Tracking Result: 0.7 arc-seconds RMS
--------------------------------------------------------------------------
Images Taken
Number of light frames: 152 Duration: 1 minute Gain: 100
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 5.6
Total Integration Time: 2.53 hours
--------------------------------------------------------------------------
Number of flat frames: 45 Duration: 0.05 seconds 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
--------------------------------------------------------------------------
Number of Dark frames: 50 (from library) Duration: 1 minute Gain: 100
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 5.6
--------------------------------------------------------------------------
Number of Bias frames: 50 (from library) Duration: 0.001 seconds Gain: 100
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 5.6
--------------------------------------------------------------------------
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, DynamicBackgroundExtraction, ImageSolve, SpectroPhotometricColorCalibration, BlurXTerminator
Non-Linear: GeneralizedHyperbolicStretch script, NoiseXterminator, HistogramTransformation, CurvesTransformation.
--------------------------------------------------------------------------
Notes:
Click Below Image for Full Size:
Click to Return to Home Page