Contains:  Solar system body or event
Sun in Ha - February 21, 2022, 



    
        

            JDJ

Sun in Ha - February 21, 2022

Acquisition type: Lucky imaging
Sun in Ha - February 21, 2022, 



    
        

            JDJ

Sun in Ha - February 21, 2022

Acquisition type: Lucky imaging
Imaging Telescopes Or Lenses
Lunt LS50THa
Imaging Cameras
ZWO ASI290MM
Mounts
Sky-Watcher Solarquest
Filters
Lunt 50mm Front Mount Double Stack H-alpha Etalon Filter
Accessories
TeleVue 2.5x 1.25" Powermate (PMT-2513) · ZWO EAF
Software
Emil Kraaikamp Autostakkert · Filip Szczerek ImPPG (Image Post-Processor) · Several contributors GIMP · Torsten Edelmann FireCapture

Acquisition details

Date: Feb. 21, 2022

Time: 18:29

Frames: 250

FPS: 75

Exposure per frame: 3 ms

Focal length: 875

Resolution: 1727x1543

Locations: Home, Silver Spring, Maryland, United States

Data source: Backyard

Description

The Sun in H-alpha on February 21, 2022.  Two sub panorama of the northern hemisphere featuring a great prom.

Imaged with a Lunt LS50Tha (with feathertouch focuser and ZWO EAF), Lunt LS50C compact double stack filter, 2.5x Televue Powermate, ZWO ASI290MM. Imaging train was configured to give ~F/18. Image capture using Firecapture. Stacking in AutoStakkert3 (best 25% of 1000 frames).  Generated panorama from 2 subs using Microsoft ICE.  Processed in ImPPG (sharpening). Combined surface and prom images using GIMP.

Original version:  Combined inverted surface and prom images

Rev A: Combined surface and inverted prom images

Comments

Revisions

  • Final
    Sun in Ha - February 21, 2022, 



    
        

            JDJ
    Original
  • Sun in Ha - February 21, 2022, 



    
        

            JDJ
    B
  • Sun in Ha - February 21, 2022, 



    
        

            JDJ
    C
  • Sun in Ha - February 21, 2022, 



    
        

            JDJ
    D

B

Title: Combined surface and inverted prom images

Uploaded: ...

C

Title: Prom image processed using Solar Live View

Uploaded: ...

D

Title: Lunt Ha Imaging Setup

Uploaded: ...

Histogram

Sun in Ha - February 21, 2022, 



    
        

            JDJ