NGC 896
Common Name: Heart Nebula
Also Known as: Running Dog Nebula, IC 1805, Sharpless 2-190 (Sh2-190)
Object Type: Emission Nebula
Constellation: Cassiopeia
Distance from Earth: 7,500 light years
Apparent Magnitude: 18.3
Coordinates: RA 02H 33M 22S DEC 61 deg 26 min 30 sec
Actual Size: 330 light years in diameter
Apparent Dimensions: 150 arc-minutes x 150 arc-minutes
--------------------------------------------------------------------------
Environmental Data
Date: September 11, 2024 Start Time: 8:20PM End Time: 3:47AM SQM: 19.35
Moon Age: 8.1 days Moonset: 11:22PM Moon Illumination: 57.4%
Temperature: 65 degrees F Humidity: 83% Dew Point: 60 degrees F
Location: Westport, Massachusetts 02790 Sky Condition: Clear
Comment:
--------------------------------------------------------------------------
Imaging Scope Data
Mount: iOptron CEM 120 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 HFR 1.79 Platesolve: Good on 3rd attempt
--------------------------------------------------------------------------
Guide Scope Data
Telescope: Stellarvue SVX130 refractor Camera: ZWO ASI290 Focuser: Optec DirectSync SV35
Dew Heater: Kendrick dew strip Software: PHD2 Tracking Result: 0.6 arc-seconds RMS
--------------------------------------------------------------------------
Images Taken
Number of light frames: 105 Duration: 4 minutes Gain: 100
Camera Temperature: 0 degrees C Binning: 1x1 F-Stop: 5.6
Total Integration Time: 7 hours
--------------------------------------------------------------------------
Number of flat frames: 50 Duration: 0.15 seconds Gain: 100
Camera Temperature: 0 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: 4 minutes Gain: 100
Camera Temperature: 0 degrees C Binning: 1x1 F-Stop: 5.6
--------------------------------------------------------------------------
Number of Bias frames: 50 (from library) Duration: 0.001 seconds Gain: 100
Camera Temperature: 0 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: GradientCorrection, ImageSolve, SpectroPhotometricColorCalibration, BlurXTerminator, NoiseXterminator, StarXtermninator
Non-Linear:
Stars only image: HistogramTransformation
Starless image: GeneralizedHyperbolicStretch script, MultiscaleLinearTransform for sharpening
ImageBlend to combine and adjust Starless and Stars only images
--------------------------------------------------------------------------
Notes:
Click Below Image for Full Size:
Click to Return to Home Page