M81 - NGC3031
in Ursa Major
2003-02-25: Sbig ST10XE / Celestron C14
2007-03-11: Sbig ST10XE / Pentax SDUF 100
2011-04-22: QHY12 (Alccd12) / Canon EF500
astrophotos © by manfred schwarz
M81 - NGC3031
in Ursa Major
2003-02-25: Sbig ST10XE / Celestron C14
2007-03-11: Sbig ST10XE / Pentax SDUF 100
2011-04-22: QHY12 (Alccd12) / Canon EF500
astrophotos © by manfred schwarz