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The Hong Kong/AAO/Strasbourg Halpha (HASH) planetary nebula database is anonline research platform providing free and easy access to the largest and mostcomprehensive catalogue of known Galactic planetary nebulae (PNe) and arepository of observational data (imaging and spectroscopy) for these andrelated astronomical objects. The main motivation for creating this system isresolving some of long standing problems in the field e.g. problems with mimicsand dubious and/or misidentifications, errors in observational data andconsolidation of the widely scattered data-sets. This facility allowsresearchers quick and easy access to the archived and new observational dataand creating and sharing of non-redundant PN samples and catalogues.

The Hong Kong/AAO/Strasbourg Halpha (HASH) Planetary Nebula Database