Messier 36 (M36)
Common Name: Pinwheel Cluster
Also Known as: NGC 1960, Collinder 71
Object Type: Open Cluster
Constellation: Auriga
Distance from Earth: 4,100 light years
Apparent Magnitude: 6.3
Coordinates: RA 05H 36M 12S DEC 34 deg 08 min 04 sec
Actual Size: 14 light years in diameter
Apparent Dimensions: 12 arc-minutes
--------------------------------------------------------------------------
Environmental Data
Date: March 15, 2020 Start Time: 8:05PM End Time: 8:59PM SQM: 19.90
Moon Age: 21.1 days Moonrise: 1:03AM Moon Illumination: 60.6%
Temperature: 46 degrees F Humidity: 50% Dew Point: 28 degrees F
Location: Westport, Massachusetts 02790 Sky Condition: Clear
Comment:
--------------------------------------------------------------------------
Imaging Scope Data
Mount: iOptron CEM120 Camera: ZWO ASI071 OSC Focuser: Optec DirectSync SV35
Telescope: Stellarvue SVX130 refractor Focal Length: 910mm
Focal Reducer/Field Flattener: Field Flattener Filter: None
Rotator: None Power Control: None Dew Heater: Kendrick dew strip
Imaging Software
Mount: iOptron Commander Focuser: Optec FocusLynx Commander
Imaging: Sequence Generator Pro Platesolve: None Rotator/Control:
Imaging Status
Imaging Software: Sequence Generated Focus Good HFR 1.9 Platesolve:
--------------------------------------------------------------------------
Guide Scope Data
Telescope: Stellarvue SV90 refractor Camera: LodestarX2 Focuser: Optec DirectSync SVX30
Dew Heater: Kendrick dew strip Software: PHD2 Tracking Result: 1.5 arc-seconds RMS
--------------------------------------------------------------------------
Images Taken
Number of light frames: 28 Duration: 1 minute Gain: HDR
Camera Temperature: 5 degrees C Binning: 1x1 F-Stop: 7.0
Total Integration Time: 0.47 hours
--------------------------------------------------------------------------
Number of flat frames: 20 Duration: 0.2 seconds Gain: HDR
Camera Temperature: 5 degrees C Binning: 1x1 F-Stop: 7.0
Flat Field Illumination: All-Pro 'Spike-a-Flat Field standard' illuminated panel
--------------------------------------------------------------------------
Number of Dark frames: 50 (from library) Duration: 1 minute Gain: HDR
Camera Temperature: 0 degrees C Binning: 1x1 F-Stop: 7.0
--------------------------------------------------------------------------
Number of Bias frames: 50 (from library) Duration: 0.001 seconds Gain: HDR
Camera Temperature: 0 degrees C Binning: 1x1 F-Stop: 7.0
--------------------------------------------------------------------------
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, AutoColor script, BlurXTerminator
Non-Linear: GeneralizedHyperbolicStretch script, HistogramTransformation, DynamicCrop.
--------------------------------------------------------------------------
Notes:
Click Below Image for Full Size:
Click to Return to Home Page