There are just two weeks to go until the entry deadline for the Royal Observatory's 2014 Astronomy Photographer of the Year competition. Budding astro-photographers need to submit their pictures by midday on 24 April to be in with a chance of winning £1,500 and pride of place in an exhibition opening at the observatory on 18 September 2014.

Photographers can enter their images at www.rmg.co.uk/astrophoto, where full competition rules and some top tips are also available. We present some of the photos already entered in this year's competition. Take a look at the official Flickr group for inspiration and to see more.

Heart Nebula In Hubble Palette
Heart Nebula In Hubble PaletteBob Franke, Astronomy Photographer of the Year 2014
Aurora in Vopnafjörður, Iceland
Aurora in Vopnafjörður, IcelandFabian Neyer, Astronomy Photographer of the Year 2014
Fires over Mt Barney
Fires over Mt BarneyRob Packer, Astronomy Photographer of the Year 2014
Autumn Stars, Cledan Valley Tipis, Carno
Autumn Stars, Cledan Valley Tipis, CarnoKristofer Williams, Astronomy Photographer of the Year 2014
The Pebble Beach
The Pebble BeachLaurent Laveder, Astronomy Photographer of the Year 2014
M78 Stardust and Starlight
M78 Stardust and StarlightOleg Bryzgalov, Astronomy Photographer of the Year 2014
Stars in the Sky
Stars in the SkySteven Fox, Astronomy Photographer of the Year 2014
The Milky Way is Reflecting in the Ocean
The Milky Way is Reflecting in the OceanLaurent Laveder, Astronomy Photographer of the Year 2014
SH2-142
SH2-142Julian Hancock, Astronomy Photographer of the Year 2014
Aurora over Ballintoy, Northern Ireland
Aurora over Ballintoy, Northern IrelandGlenn Miles, Astronomy Photographer of the Year 2014