Comet Observation database (COBS) saw first light in 2010 and is maintained by Crni Vrh Observatory. It is a free and unique service for comet observers worldwide which allows submission, display and analysis of comet data in a single location.
Amateur astronomers can make valuable contributions to comet science by observing comets and submitting their observations to COBS as professional astronomers typically do not have telescope time required to acquire regular observations. We therefore encourage comet observers worldwide to submit their observations and contribute to the COBS database.
Registered observers may submit observations using a web based form which stores the observations in an SQL database and stores them in ICQ format. Observations may be queried and plotted in the web site or exported for further processing, analysis and publication. The database currently contains more than 270700 comet observations of more than 1550 different comets and represents the largest available database of comet observations.
The data stored in COBS is freely available to everyone who honors our data usage policy. Please cite COBS as the reference if you use it for comet studies.
Unfiltered image of comet C/2023 P1 (Nishimura), obtained on 2023 Sep. 3 (3h09-3h18UT) in twilight conditions, with 60-cm, f/3.3 Deltagraph telescope and CMO. Exposure time was 10x30 seconds. Image scale is 1.7 arc sec/pixel. Some cirrus clouds interfered observations. Copyright © 2023 by H. Mikuz, Crni Vrh Observatory.
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Location: Crni Vrh Observatory
Latitude: 45.94583; longitude: 14.07111; elevation: 726.0
Comet finding charts provided by Dominic Ford: https://in-the-sky.org/
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