Horsehead Nebula (IC 434)

−2° 45′−2° 30′−2° 15′−2° 00′5ʰ 39ᵐ5ʰ 40ᵐ5ʰ 41ᵐ5ʰ 42ᵐ5ʰ 43ᵐHD 37744HD 37806HD 37633HD 37564HD 37686HD 37699HD 37805HD 37903NGC 2023NE
Filters
Hα2 h
Category

How it was taken

Capture

Date
Exposure
2 h
Frames
12
Field center
5ʰ 41ᵐ 02ˢ −2° 27′
Field of view
46′ × 1°
Scale
0.78″ per pixel
Rotation
109° from north
Focal length
1000 mm, f/5
Views
354

Equipment

Telescope
Sky-Watcher BK2001P
Camera
ASI ZWO 1600MM Pro
Mount
Sky-Watcher HEQ5 Pro
Filter
ZWO L, R, G, B, Ha, OIII, SII (1.25")
Filter wheel
ZWO EFW 8x31mm
Focuser
ZWO EAF
Guide scope
Sky-Watcher 9x50 Finder
Guide camera
ASI 120mm

Shooting history of IC 434Each photo is a separate processing

Since 2021, the exposure has grown from 2 h to 5 h

  1. 5 h · 47 frames

  2. 5 h · 47 frames

  3. 23 Jan 2021this photo

    2 h · 12 frames