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Guy Hurst =EDrja:
MARKARIAN 421
This blazar situated in Ursa Major has been the subject of a BBC News
Item of 2013 April 16 describing it as a ´cosmic flare-up´.
John Toone commented that after tracking it for 33 years its brightest
optical phase was in the range 11.9-12.1 in 2012 August. He has a range
for 2013 April 12.1-12.3 in a BAAVSS Bulletin. Guy Hurst reports a
visual magnitude of 12.2 for 2013 April 18.
Sz=F3val a Mrk 421 j=F3 f=E9nyes!
Mzs
--=20
Mizser Attila f=F5titk=E1r
Magyar Csillag=E1szati Egyes=FClet
http://www.mcse.hu
tel: +36-70-548-9124
Ad=F3sz=E1munk: 19009162-2-43
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Guy Hurst =EDrja:
MARKARIAN 42=
1
This blazar situated in Ursa Major has been the subject of a BBC News=20
Item of 2013 April 16 describing it as a 'cosmic flare-up'.
John Toone commented that after tracking it for 33 years its brightest=20
optical phase was in the range 11.9-12.1 in 2012 August. He has a range=20
for 2013 April 12.1-12.3 in a BAAVSS Bulletin. Guy Hurst reports a=20
visual magnitude of 12.2 for 2013 April 18.
Sz=F3val a Mrk 421 j=F3 f=
=E9nyes!
Mzs
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