Submissions: 2014 January

[Rothkko]

iridiscence

escala de grises

muchas pupilas

Mérida, Spain. 2012-10-23

in un mes de color3/11 http://asterisk.apod.com/viewtopic.php? ... 50#p218611

[broca]

Melotte 15 in the Heart nebula
http://coatesastrophotography.com/
Copyright: Steven Coates
Melotte 15 is an emission nebula with star cluster in the center of the Heart
nebula located in the constellation Cassiopeia.
Imaged from Ocala, Florida through Ha, OIII and SII filters through light
polluted skies.
20 minute exposures combined to a total of:
3 hours Ha (binned 1x1)
2 hours and 20 min OIII (binned 1x1)
2 hours and 20 min SII (binned 1x1)
Processed in Photoshop using Hubble palette
Imaging telescope: Astro-Tech 8" Ritchey-Chrétien
Imaging camera: QSI 683 wsg-8 cooled CCD camera
Losmandy G-11 with Gemini II German equatorial mount
http://coatesastrophotography.com/img/s ... 1799-6.jpg