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Environmental Data
Date: December 21, 2025 Start Time: 8:10PM End Time: 10:23PM SQM:
Moon Age: 1.3 days Moonset: 4:45PM Moon Illumination: 2.2%
Temperature: Humidity: Dew Point:
Location: Westport, Massachusetts 02790 Sky Condition: Started clear, clouds later
Comment:
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Imaging Scope Data
Mount: Gimbal Tripod Camera: Nikon D7100 DSLR Focuser: None
Telescope: Tokina 11-16mm F2.8 lens @ 11mm Focal Reducer: None Filter: None
Rotator: None Power Control: None Dew Heater: None
Imaging Software
Mount Software: None Focus Software None
Control Software: None Platesolve: None Planning: Skytools
Imaging Status
Imaging Software: Focus Platesolve:
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Guide Scope Data
Camera: None Focuser: None Dew Heater: None Software: None
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Images Taken
Number of light frames: 364 Duration: 20 seconds Gain: 400
Temperature: Binning: F-Stop: 2.8
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Number of flat frames: Duration: seconds Gain:
Temperature: Binning: F-Stop:
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Number of Dark frames: Duration: seconds Gain:
Temperature: Binning: F-Stop:
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Number of Bias frames: Duration: Gain:
Temperature: Binning: F-Stop:
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Imaging Processing
Imaging Processing Software: PixInsight
Processes utilized: Used Pixinsight to BlurXterminator, NoiseXterminator, CurvesTransformation.
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Notes: Set D7100 to complete manual mode including manual focus. Set the Nikno to take 20 second exposures and the intervalometer to take an exposure every 22 seconds. Attached lens muff with handwarmer to lens to counteract dew.
Let the D7100 take images all night and then reviewed the images in the morning. Selected the images with obvious meteors for processing.