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Environmental Data
Date: April 21, 2026 Start Time: 8:57PM End Time: 11:28M SQM:
Moon Age: 4.7 days Moonset: 1:03PM Moon Illumination: 23.5%
Temperature: Humidity: Dew Point:
Location: Westport, Massachusetts 02790 Sky Condition: Partly cloudy early, clouds after midnight
Comment: Camera shutdown at 11:27 due to low battery power. Clouds after midnight anyway.
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Imaging Scope Data
Mount: Gimbal Tripod Camera: Nikon D7100 DSLR Focuser: None
Telescope: Tokina 11-16mm set at 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: 405 Duration: 20 seconds Gain: 400 ISO
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:
BlurXTerminator, NoiseXterminator, HistogramTransformation, DynamicCrop--------------------------------------------------------------------------
Notes: Set D7100 to complete manual mode including manual focus. Set intervalometer to take an exposure every 22 seconds. Attached lens muff with handwarmer to lens to counteract dew.
Let the D7100 take images and then reviewed the images in the morning. Selected the images with obvious meteors for processing.