Community Gallery

Posted by

David Callejas

and

January 20, 2019

← Go back

Michael Teoh
Penang, Malaysia

12/29/2021

Photographer's Website

Equipment Details:

APM-TMB 228/2050 Telescope
Lunt Solar Wedge
Baader ND filter OD 3.0
Baader Solar Continuum 540nm filter
TeleVue 3x Barlow
QHY5L-II-M Camera

Post-processing Details:

Stacked with AutoStakkkert!3
Wavelet adjustment with Registax 6
Enhancement and false color with Photoshop 2020

Image Details:

A 6-day streak of clear sky came to an end today. This is probably my longest solar imaging streak that I can remember. Here is a compilation of the development of the sunspot groups in the active region AR2916 over the last five days between Dec 25 and Dec 29.

Posted

January 20, 2019

in

David Callejas

View Articles

About the Author:

David Callejas, Marketing Director, helps bring EarthSky's content to the world via online ads and other products. He creates strategies that help people around the world find us and appreciate the work we do. He helps manage the EarthSky Store and bring to you the new products that you love. He's the chief liaison between EarthSky.org and the world of commerce. All that, plus he helps post content and populate our pages on Facebook, Google+ and Twitter. Go David!