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Observation by Mike Greenhill-Hooper: Sadr wide field view with narrowband fil...

Uploaded by

Mike Greenhill-Hooper

Observer

Mike Greenhill-Hooper

Observed

2026 Sep 10 - 20:00

Uploaded

2026 Oct 03 - 12:54

Objects

Sadr

Planetarium overlay









Constellation

Cygnus

Field centre

RA: 20h19m
Dec: +40°34'
Position angle: -86°04'

Field size

7°00' × 4°34'

Equipment
  • 135mm Samyang lens at f/2.8 on NEQ6 mount
  • ASI294MMPro with Ha, OIII and SII 7nm filters
Exposure

10x300s for each filter, gain 121, offset 10, T=-10C

Location

Miradoux, S.W. France

Target name

Sadr

Title

Sadr wide field view with narrowband filters

About this image

Mount and camera controlled with ATP; autoguiding with Orion Starshoot and PHD2 on small refractor. Images processed with Affinity Photo, SHO composition macro, GraXpert and Siril.

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