The Cosmic Question Mark

Andromeda Galaxy

Other names:Sh2-171 + CED 214/LBN 581 + Sh2-170
Distance:2600 light years
Date:20-Apr-2019, 16-Nov-2019
Telescope:Asahi Pentax Super Multi Coated Takumar 200mm f/4
Field of view:3.5° x 5°
Cameras:Canon T3i mono mod
Filters:Baader 7nm Ha
Mount:Skywatcher EQ6-R
Guiding:TSL50D, Lacerta MGen-II
Exposure time:7h 10min
Ha13 x 10min + 20 x 15min
Sizes 755 x 1080 | 2886 x 4126
The upper arc is object Sh2-171, the bright spot in the center is Ced 214 and the dot is sh2-170. The image was colored in sepia to give it a vintage look reminding us of the vintage lens used here. The Takumar was produced in the late 1960/early 1970. The distance of 2600Lj refers to the dot Sh2-170.