Name: Messier 97
    Other names: Owl Nebula
    Description: Planetary Nebula
    Ascension: 11 : 14.8
    Declanation: +55 : 01
    Apparent diameter: 3.4*3.3 (arc min)
    Constellation: Ursa Major
    Magnitude: 9.9
    Distance: 2600 light years
    Equipment: Meade ETX90+Modified toucam (new eprom)+focal reducer 0.66+extra lens
    Date / Time UTC: 20 april 2004 1:15
    Stacked : 48 of 135
    Exposure time: 40 s !
    Location: The Hague, The Netherlands
    Other info:

    Done in RAW exposures. One of my most difficult pictures to get with ETX90.

     

    © Job Gehéniau

    http://www.jgeheniau.nl/etx90/astronomy2.html

home