Messier 95 (M95)
Also Known as: NGC 3351
Object Type: Barred Spiral Galaxy
Constellation: Leo
Distance from Earth: 32.6 million light years
Apparent Magnitude: 11.4
Coordinates: RA 10H 43M 57.7S DEC 11 deg 42 min 14 sec
Actual Size: 46,000 light years in diameter
Apparent Dimensions: 3.1 arc-minutes x 2.9 arc-minutes
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Environmental Data
Date: April 24, 2019 Start Time: 10:23 PM End Time: 11:58PM SQM: 18.31
Moon Age: 19.8 days Moonrise: 0:13AM Moon Illumination: 74.0%
Temperature: 58 degrees F Humidity: 33% Dew Point: 29 degrees F
Location: Westport, Massachusetts 02790 Sky Condition: Clear
Comment: PHD2 good calibration
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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: 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 HFR 2.61 Platesolve:
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Guide Scope Data
Telescope: Stellarvue SV90 refractor Camera: Lodestar X2 Focuser: Optec DirectSync SVX30
Dew Heater: Software: PHD2 Tracking Result: 1.25 arc-seconds RMS
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Images Taken
Number of light frames: 45 Duration: 2 minutes Gain: HDR
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 7.0
Total Integration Time: 1.5 hours
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Number of flat frames: 30 Duration: 0.6 seconds Gain: HDR
Camera Temperature: -10 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: 60 (from library) Duration: 2 minutes Gain: HDR
Camera Temperature: -10 degrees C Binning: 1x1 F-Stop: 7.0
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Number of Bias frames: 60 (from library) Duration: 0.001 seconds Gain: HDR
Camera Temperature: -10 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
Linear - Background extraction, Color correction, deconvolution, noise reduction: DynamicCrop, DynamicBackgroundExtraction, AutoColor script, BlurXTerminator, NoiseXterminator
Non-Linear: GeneralizedHyperbolicStretch script, MultiscaleLinearTransform for sharpening, CurvesTransformation, HistogramTransformation.
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Notes:
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