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 links to Data on.....

Extra-galactic Astronomy

 

Astronomical Data

Moon

Planets

Solar System

Stars

Galaxies

Eclipses

 

Data Centers

Catalogues

Astrophotos

Softwares


Our milestones...

Our activities...

about Directory...

Organisations

 

   

The Morphological Classification of Galaxies

NASA / IPAC Extragalactic Database

 


New General Catalogue (NGC Objects)

The NGC / IC Project

Index Catalogue of 1895 (IC Objects)

The NGC / IC Project

Index Catalogue of 1908 (IC Objects)

The NGC / IC Project

 


Active Galaxies

Active Galaxies Links Page : NASA / IPAC Extragalactic Database

Active Galaxies : Newsletter

 


  Overlapping pairs of Galaxies

University of Alabama, Dept.of Physics & Astronomy

 


  Seyfert Galaxies

Seyferts : The concept : NASA / IPAC Extragalactic Database

Seyfert's original list

 


Quasars

Quasar Surveys : NASA / IPAC Extragalactic Database

Sloan Digital Sky Survey Quasar Catalog

Frequently Asked Questions : Virginia Tech

 


  BL Lac Objects

BL Lac Sample Oriented Catalogue : Paolo Padovani

  BL Lac Links Page : Steve's Gamma Ray Burst Astronomy Site

 


Gravitational Lenses

Simulation of a Gravitational Lens

Summary of Multiply Imaged Systems : Radio Astronomy Group

 


Clusters of Galaxies

Clusters of Galaxies : NASA / IPAC Extragalactic Database