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GrahamL
28-03-2009, 07:37 AM
I was touring some galaxies the other night when my argo navis
identified in (corvus maybe) one .. esb -801 ?.. something like that anyway.. It was quite large and bright .Anyone know much about how this classification came about ?..
gmbfilter
28-03-2009, 11:19 AM
Argo Navis have ESO data in miscellaneous galaxies ?
There all over the place.
Lismore Bloke
28-03-2009, 02:22 PM
Haven't the last few nights been great. Pity about the current cloud.
I love finding out info about unusual stuff.
These links might explain the what the ESB classification means.
News to me, I hadn't heard of it before!! Cheers, paul.

http://en.wikipedia.org/wiki/Starburst_galaxy

http://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search?starburst+galaxy
GrahamL
29-03-2009, 07:48 AM
Thanks that must be it .. I had to pack up right away so didn't get to read the data.. I guess its a well known galaxy as it was very large .
glenc
30-03-2009, 04:50 AM
Graham, this is about the 1982 ESO survey.
http://cdsarc.u-strasbg.fr/viz-bin/Cat?VII/34C

and this is the catalogue of 18,422 DSO south of declination -20 approx.
http://cdsarc.u-strasbg.fr/viz-bin/VizieR?-meta.foot&-source=VII/34C
GrahamL
28-04-2009, 06:54 AM
It reads ESO-444- G81.. now its clear of the trees and I can get a shot of all of it it looks like M83.. because it is .. the data on both lists mag 7.9 :shrug:
astroron
28-04-2009, 08:44 AM
The NGC 2000 gives the mag as 7.9 but "THE SKY" gives 8.01.
The galaxy is on number of catalogues here are some.
M83
NGC5236
Dreyer description: Very remarkable! Very bright, very large, extended 55°, extremely abruptly brighter middle nucleus, 3-branched spiral; = M83.
Other ID: ESO444-81
Other ID: MCG-5-32-50
Other ID: UGCA366
Other ID: PGC48082
Magnitude: 8.1
And to think that the NGC was put together to combine all of the catalogues together:P
glenc
28-04-2009, 10:41 AM
The V magnitude of M83 is 7.3 +- 0.3. (7.0 to 7.6). B mag is 7.91 +- 0.3, B-V is 0.66.
Lacaille found it with a 0.5" refractor so it has to be brighter than mag 8 IMO.
GrahamL
28-04-2009, 05:20 PM
Ok thanks guys :).. my argo navis pulled this up out of a tour
Another few objects on M83 pops up ... wonder why ?