NGC 3501 & NGC 3507
Also Known as: UGC 6116 (NGC 3501)
Object Type: Spiral Galaxies
Constellation: Leo
Distance from Earth: 77 million light years (NGC 3501)... 46 million light years (NGC 3507)
Apparent Magnitude: 13.8 (NGC 3501) .... 10.9 (NGC 3507)
Coordinates: RA 11H 02M 47.307S DEC 17deg 59min 22.31sec (NGC 3501) .. RA 11H 03M 25.56S DEC 18deg 08min 07.6sec (NGC 3507)
Actual Size:
Apparent Dimensions: 4.0 arc-minutes x 0.44 arc-minutes (NGC 3501) ... 2.92 arc-minutes x 2.51 arc-minutes (NGC 3507)
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Environmental Data
Date: March 12, 2024 Start Time: 7:55PM End Time: 12:43AM SQM: 18.98
Moon Age: 2.8 days Moonset: 9:59PM Moon Illumination: 8.5%
Temperature: 47 degrees F Humidity: 64% Dew Point: 35 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 QuickSync FT20
Telescope: Celestron 11 inch SCT Edge Focal Length: 1960mm
Focal Reducer/Field Flattener: 0.7 focal reducer Filter: None
Rotator: Pegasus Falcon rotator 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 2.67 Platesolve: Good on 3rd attempt
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Guide Scope Data
Telescope: Stellarvue SV90 refractor Camera: ZWO ASI290 Focuser: Optec DirectSync SVX30
Dew Heater: Kendrick dew strip Software: PHD2 Exposure: 2 sec Binning: 1x1
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Images Taken
Number of light frames: 131 Duration: 2 minutes Gain: 100
Camera Temperature: -20C Binning: 1x1 F-Stop: 7.0
Total Integration Time: 4.37 hours
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Number of flat frames: 50 Duration: 0.05 seconds Gain: 100
Camera Temperature: -20C Binning: 1x1 F-Stop: 7.0
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Number of Dark frames: 50 Duration: 2 minutes Gain: 100
Camera Temperature: -20C Binning: 1x1 F-Stop: 7.0
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Number of Bias frames: 50 Duration: 0.001 Gain: 100
Camera Temperature: -20C 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: DynamicBackgroundExtraction, ImageSolve, SpectroPhotometricColorCalibration, BlurXTerminator, NoiseXterminator
Non-Linear: GeneralizedHyperbolicStretch script, MultiScaleLinearTransform to sharpen, CurvesTransformation, DynamicCrop, HistgramTransformation, MultiScaleLinearTransform to smoothen
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Notes:
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