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Contains:  Ring nebula in Lyra, M 57, NGC 6720, IC 1296
Getting plate-solving status, please wait...
M 57 - short time exposure, 


            Lars Stephan
M 57 - short time exposure

M 57 - short time exposure

Technical card

Resolution: 1200x990

Dates:Aug. 13, 2017Aug. 25, 2017Aug. 28, 2017Aug. 29, 2017

TS Optics B 1,25": 1x1387"
TS Optics G 1,25": 1x864"
TS Optics R 1,25": 1x2088"
TS-Optics L 1,25": 1x2700"
TS-Optics L 1,25": 1x2778"

Integration: 2.7 hours

Avg. Moon age: 9.62 days

Avg. Moon phase: 44.10% job: 2710202

RA center: 283.394 degrees

DEC center: 33.027 degrees

Pixel scale: 0.326 arcsec/pixel

Orientation: 2.243 degrees

Field radius: 0.070 degrees

Data source: Backyard


L = 1852 x 1,5 sec und 1350 x 2,0 sec
R = 746 x 2,8 sec
G = 432 x 2,0 sec
B = 555 x 2,5 sec

Die Daten sind aus dem Sommer 2017, aber erst jetzt habe ich sie ordentlich bearbeiten können.
Die Luminanz wurde einmal mit dem Reducer aufgenommen (1,5 s) und einmal ohne (2 s), die Farben jeweils mit.

The dates are from summer 2017, but only now I have been able to edit them properly.
The luminance was captured once with the reducer (1.5 seconds) and once without (2 seconds), the colors with.



Lars Stephan
License: None (All rights reserved)


  • M 57 - short time exposure, 


            Lars Stephan
  • Final
    M 57 - short time exposure, 


            Lars Stephan

Sky plot

Sky plot


M 57 - short time exposure, 


            Lars Stephan

In these public groups

Short exposures DSO