Finding Mizar & Alcor Double Star

Mizar & Alcor Double Star

Specification

Date Taken: 19/03/2018 Telescope: Altair StarWave 70ED Diameter: 70mm Focal Length: 420mm Mount: SkyWatcher Star Adventurer Camera: Canon EOS 1000D ISO: 400 Exposure Light Frames: 1 x 30 Seconds Dark Frames: Bias Frames: Flat Frames: Stacking program: DeepSkyStacker Post Processing: Photoshop CS3

Mizar

Description: Variable Double Star Common Name: Zeta Ursae Majoris Messier Catalogue: N/A NGC: N/A Constellation: Ursa Major Size: N/A Visual Magnitude: +3.85 & +2.23 Distance: 85.8 Light Years
Mizar & Alcor is a double star located on the crux of the handle in the constellation of the Plough. It is viewable with the naked eye and was used to test the eyesight of Romans. Apparently, if you could see both Mizar & Alcor you would have been eligible to become an archer. Mizar is the larger star in the centre with Alcor to the lower left. Imaging The image above was extremely simple to capture as it comprises of only a single sub of 30 seconds. That length of exposure was only used to capture the stars around the double. So, all you need to do is frame the subject set your exposure for between 15 and 30 seconds and and take your sub. you wont need to do much in post processing apart from reintroducing the colours by changing the saturation settings.

Alcor

Description: Variable Double Star Common Name: 80 Ursae Majoris Messier Catalogue: N/A NGC: N/A Constellation: Ursa Major Size: N/A Visual Magnitude: +4.00 & +8.00 Distance: 81.7 Light Years
(Image from SkySafari 5 Pro)
Circumpolar, Never Sets
© Paul’s Astrophotography 2020
Mizar & Alcor Double Star

Specification

Date Taken: 19/03/2018 Telescope: Altair StarWave 70ED Diameter: 70mm Focal Length: 420mm Mount: SkyWatcher Star Adventurer Camera: Canon EOS 1000D ISO: 400 Exposure Light Frames: 1 x 30 Seconds Dark Frames: Bias Frames: Flat Frames: Stacking program: DeepSkyStacker Post Processing: Photoshop CS3

Mizar

Description: Variable Double Star Common Name: Zeta Ursae Majoris Messier Catalogue: N/A NGC: N/A Constellation: Ursa Major Size: N/A Visual Magnitude: +3.85 & +2.23 Distance: 85.8 Light Years

Alcor

Description: Variable Double Star Common Name: 80 Ursae Majoris Messier Catalogue: N/A NGC: N/A Constellation: Ursa Major Size: N/A Visual Magnitude: +4.00 & +8.00 Distance: 81.7 Light Years
Finding Mizar & Alcor Double Star Mizar & Alcor is a double star located on the crux of the handle in the constellation of the Plough. It is viewable with the naked eye and was used to test the eyesight of Romans. Apparently, if you could see both Mizar & Alcor you would have been eligible to become an archer. Mizar is the larger star in  the centre with Alcor to the lower left.  Imaging  The image above was extremely simple to capture as it comprises of only a single sub of 30 seconds. That length of exposure was only used to capture the stars around the double. So, all you need to do is frame the subject set your exposure for between 15 and 30 seconds and and take your sub. You wont need to do much in post processing apart from reintroducing the colours by changing the saturation settings. Circumpolar, Never Sets © Paul’s Astrophotography 2020