Winter Reds [Explored]

Those who know my photography are probably aware that I love the red hydrogen emission nebulae of the winter sky.

 

Last month, I visited this frozen lake in the Swiss Alps. Orion and the Winter Milky Way aligned perfectly over the surrounding mountains.

 

I am very happy about how the stunning nebulosity of this sky area turned out. As a special treat, I would like to point out the Eridanus Loop along the right edge of the image. The Eridanus Loop is a huge but little known HII bubble west of Orion. This supernova remnant spans 35° of sky and is overlapping with the much brighter Barnard's Loop in Orion. Together, they are forming the Orion-Eridanus superbubble.

 

Prints available: ralf-rohner.pixels.com

 

EXIF

Canon EOS Ra

Sigma 28mm f/1.4 ART

IDAS NBZ filter

iOptron SkyTracker Pro

Sky:

3 panel panorama, each a stack of 15 x 60s @ ISO800, f/2, unfiltered + 6 x 180s @ ISO3200, f/1.4, filtered

Foreground:

Stack of 5 x 60s @ ISO800, f/2

Done