Image story

What to look for

A faint blue reflection nebula near Orion, shaped by dust reflecting nearby starlight.

Context source: Gallery acquisition record; fields not recorded are omitted.

Capture recipe

How this frame was made

William Optics RedCat 61 · ZWO ASI2600MC Pro · ZWO AM5 · Filters: None · 157 x 300s subs · 13h 5m integration

See the full acquisition facts

Cosmic passport

Witch Head Nebula

Acquisition record
Catalog identity
IC 2118
Sky region
Eridanus
Captured
2024-02-23
Recorded field of view
2.8720 x 2.1534
Recorded frame
4000 x 3000
Total integration
13h 5m
Optics
William Optics RedCat 61
Apparent scale

The recorded frame is about 5.7 full-Moon widths across its long edge.

Calculation note: recorded FOV ÷ 0.5° apparent full-Moon diameter. This describes the captured field, not the physical size or distance of the object.