Skip to content

Archive scan 29 Aug 2026 · latest night 22 Aug 2026

Dark nebula Orion Complete

Horsehead Nebula

IC 434

Integration

9.3 h

Light frames

435

Nights

4

Sessions

4

18 Feb 2025 to 30 Dec 2025

Horsehead Nebula (B 33) The finished picture → In the gallery as Horsehead Nebula

By scope

  • Askar FRA400

    Captured
    Integration
    8.3 h
    Light frames
    100
    Nights
    2
    When
    24 Dec 2025 to 30 Dec 2025
    Exposures
    100 × 300 s
    Filters
    not recorded 100
  • Seestar S50

    mosaic Complete
    Integration
    0.9 h
    Light frames
    335
    Nights
    2
    When
    18 Feb 2025 to 22 Feb 2025
    Exposures
    335 × 10 s
    Filters
    LP 335

Field of view

Each scope's frame drawn to scale, centred on the target. A mosaic covers twice the width and height.

S50 2.58° × 1.46° (mosaic) FRA400 1.59° × 0.89°

Every night

Night Scope Lights Exposures Hours
18 Feb 2025 S50 39 39 × 10 s 0.11 h
22 Feb 2025 S50 296 296 × 10 s 0.82 h
24 Dec 2025 FRA400 60 60 × 300 s 5.00 h
30 Dec 2025 FRA400 40 40 × 300 s 3.33 h