Negative numbers are South, positive numbers are North for latitude. Example: 30° 14′ 40.7″ S would be -30.244639.
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Observer Longitude (degrees) *
Negative numbers are West, positive numbers denote East. Example: 70° 44′ 57.9″ W would be -70.749417.
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Observer Altitude (meters above mean sea level) *
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Brightness (magnitude) *
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Instrument used *
Observing Conditions *
Please choose all answers that apply.
Required
Observer Name
Please enter your name to facilitate attribution and crediting. First name, last name.
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Observer ID (if known)
An IAU CPS observer ID can help attributing observations correctly if, e.g. email addresses change.
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Duration of this observation (seconds)
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Estimated uncertainty of this observation (magnitudes)
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Filter (if known)
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Trailblazer Image ID (if known)
This ID can be used to link the magnitude estimate to a FITS image submitted to Trailblazer.
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Comments
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By checking the box below I agree that the here submitted data will be stored and used by the IAU CPS (http://cps.iau.org). The data may be shared publicly, with attribution where available. *