British Astronomical Association
- Nigel Bryant, Astronomical Imaging
- John Fletcher, Mount Tuffley
- Maurice Gavin, Worcester Park Observatory
- Gordon Rogers, The Crendon Observatory
- David Strange, Worth Hill Observatory
Resources for Deep Sky Observers
- Online Digitized Sky Survey (STScI)
- Online Digitized Sky Survey (Leicester)
- NASA Extragallactic Database (NED)
- Strasbourg astronomical Data Center (CDS)