NGC 2207 and IC 2163

Image STSci.

NGC 2207 and IC 2163 Surface Graphic

Software Salsa J.

Vênus, Mercury, Saturn and Moon

V

Vênus   Antonio Martini Jr. Botucatu  S.P.  Moon Antônio Martini Jr. Botucatu S.P.Venus up, Mercury down

RR Sco visible and RR Sco no visible

 First image RR Sco visible , photo  Sky-Map.org 
Second image RR Sco no visible   , photo  Detthow G.G.

Surface Image M 101

Image Chandra    

http://chandra.harvard.edu/photo/2012/m101/

http://chandra.harvard.edu/photo/2012/m101/  Software Salsa J.