NGC 5457 · Ursa Major · LRGB + Hα
M101
- Integration
- 82h 28m
- Telescope
- GT81 + ASI585MM
- Camera
- ASI585MM Pro
- Nights
- 16
The record
Kept by AstroTracker from the capture filesBy filter
82h 28m1,199 subs
- L466 × 180 s23h 18m
- R180 × 180 s9h 00m
- G180 × 180 s9h 00m
- B180 × 180 s9h 00m
- Hα193 × 600 s32h 10m
By night
16 nights · Jan 27 – Mar 21, 2026
Jan 27, 2026Mar 21, 2026
Most in one night: 7h 33m on Mar 12, 2026
Equipment
- Telescope
- William Optics GT81 WIFD80 mm aperture · 478 mm · f/6.0
- Camera
- ZWO ASI585MM Pro−20 °C · gain 100
- Field
- 80′ × 45′1.25″ per pixel
- Target
- GalaxyCaptured 2026
