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 260700 comet observations of more than 1400 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.
Image of comet C/2017 K2 (PANSTARRS), obtained on 2022 Aug. 4 (20h55-21h25UT) with 15-cm, f/6 Maksutov-Cassegrain astrocamera and Canon EOS 700D DSLR. Exposure time was 30 minutes (15x120 seconds) at ISO 1600. FOV is 60.9 x 44.6 arcmin . Image scale is 2.88 arc sec/pixel.
Copyright © 2022 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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