Messier 82 in Ursa Major
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2017-02-16 + 25 + 26 + 27 + 03-02
Gahberg observatory, Upper Austria
500 mm ASA Newtonian, f = 2000 mm (Harald Strauß) Sbig ST11000 (Harald Strauß)
ASA DDM 85 (Harald Strauß)
Luminance 40 x 5 min / RGB 12 x 5 min each filter
6 h 20 min
starburst galaxy (I0;Sbrst HII)
11.2’ x 4.6’
+8.4 mag (V)
Ursa Major
~ 11.4 Mio Ly
unguided
M82 shows signs of interaction. One effect is a very high rate of star formation in M82.